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ANNEXDRAFT GUIDELINES ON SAFE OPERATION OF ON-SHORE POWER SUPPLY

(OPS) SERVICE IN PORT FOR SHIPS ENGAGED ON INTERNATIONAL VOYAGES

Text to identify source as follows:The annex of SSE 5/13 (normal) Additional text is underlinedDeleted text is shown as strike throughUpdated text (additions or deletions) Forward

With increasing requirements on marine environmental protection, the application of onboard clean energy application has been continuously promoted. The Paris Agreement has set arrangements for global response to climate change after 2020, in line with which, many States have developed specific implementation plans.

IMO has always focused on institutional construction on energy conservation and emission reduction. The application of onshore power supply (OPS) （ Alternative Maritime Power (AMP), Cold Ironing, Shore side Electricity and Onshore Power Supply ， high or Low Voltage Shore Connection respectively ） is gradually expanding. These Guidelines have been developed to provide an international operational standard for safe operation of OPS service in port on ships except for tankers which engaged on international voyage.

Taking into account that OPS system in port for vessels are installed and applicated internationally and recognizing that a safe operation of OPS system requires special consideration, the Guidelines have been developed to facilitate both ship and shore-sides without having to deal with diverse detailed requirements for every new terminals.

The Guidelines are not intended to prohibit other measures of onboard clean energy application.

1 General

1.1 Application

1.1.1 The Guidelines apply to alternating current of the OPS service in port for ships （ except for liquid cargo） engaged on international voyages. These Guidelines have been developed to provide an international operational standard for safe operation of OPS service in port on ships which engaged on international voyage. For tankers or liquefied natural gas carriers(LNGC) ship types, may be specially considered. They do not apply to the electrical power supply during docking periods, e.g. dry docking and other out of service maintenance and repair.

1.2 General

1.2.1 Technical requirements for the OPS system, unless expressly provided otherwise, need to should be in compliance with following standards or other recognized standards:

.1 standard IEC/ISO/IEEE 80005-1:20121: Utility connections in port – Part 1: High

1 The relevant IEC standards are being revised, and the latest version will be referred to based on actual conditions.PAGE \* MERGEFORMAT1

Voltage Shore Connection (HVSC) Systems – General requirements;

.2 standard IEC/IEEE 80005-2:2016: Utility connections in port — Part 2: High and low voltage shore connection systems — Data communication for monitoring and controlnts;

.3 standard IEC PAS 80005-3:2014: Utility connections in port - Part 3: Low Voltage Shore Connection (LVSC) Systems - General requirements;

.34 standard IEC 60309-5:2017: Plugs, socket-outlets and couplers for industrial purposes - Part 5: Dimensional compatibility and interchangeability requirements for plugs, socket-outlets, ship connectors and ship inlets for low-voltage shore connection systems (LVSC);

.45 standard IEC 62613-1:2011: Plugs, socket-outlets and ship couplers for high-voltage shore connection systems (HVSC-Systems) - Part 1: General requirements; and

.56 standard IEC 62613-2:2016: Plugs, socket-outlets and ship couplers for high-voltage shore connection systems (HVSC-systems) - Part 2: Dimensional compatibility and interchangeability requirements for accessories to be used by various types of ships.

1.2.2 Example for general OPS system layout(see annex 1)

1.2.3 The safety of ships, personnel and power supply systems should be ensured by the shore-side and the ship-side during the establishment of the connection of the ship supply, during all normal operations, in the event of a failure, during disconnection and when not in use.

1.2.4 A compatibility assessment of the OPS system should be performed to verify the possibility of connecting the ship’s installations to the shore’s installations. The corresponding technical documents of compatibility assessment for the first connection should be accepted by the Administration of the port State or flag State.

1.2.5 An equipotential bonding between the ship’s hull and shore grounding electrode should be established before the OPS connection.

1.2.6 Both shore and ship-sides should verify design features of the OPS system and complete an OPS communication form (see annex 2) prior to the ship’s arrival at a shore supply point.

1.2.7 communication

.1 a voice communication link, e.g. communication devices or other equivalents, should be provided to facilitate the communication between the operational and maintenance personnel from the shore and ship-side; and Equipments for voice communication should be tested.

.2 In the case that a data communication link has already been established between shore and ship-side installations, the link should be reliable.

1.3 Terms and definitions

PAGE \* MERGEFORMAT1

1.3.1 Onshore power supply (OPS) system is the equipment that supplies onshore power to ships berthing in port, including ship-side installations and shore installations.

1.3.2 Ship-side installations are those onboard systems that are designed to accept shore power, typically involving incoming power receptacles and plugs, shore connection switchgear, transformer, incoming switchgear at the main switchboard, power cables (herein refer to as cables), cable management system and associated instrumentation.

1.3.3 Shore installations is the equipment that is installed at quay or port for OPS, typically involving switchgear, transformers, frequency convertors (if applicable), output power receptacles and plugs, cables and associated instrumentation.

1.3.4 Cable management system is all the equipment designed to control, monitor and handle the flexible and control cables and their connection devices.

1.3.5 High voltage(HV) is nominal voltage in range above 1 000 V a.c. and up to and including 15 kV a.c.

1.3.6Low voltage(LV) is nominal voltage up to and including 1 000 V a.c.

1.3.7 Other terms and definitions refer to standard publications of IEC/ISO/IEEE 80005.

1.3.7 emergency shutdown is shutdown initiated when the ship moves past the maximum range of allowable motion forward,aft or outward from the dock, and which initiates loading arm disconnection on shore.

1.3.8 The first connection refers to the OPS connection on ship’s first call at a shore supply point.

2 Compatibility assessment before connection

2.1 The first connection

2.1.1 The first connection refers to the OPS connection on ship’s first call at a shore supply point.

2.1.2 A compatibility assessment of the OPS system should be performed by the ship-side prior to the first call at a shore supply point to verify the possibility of connecting the ship’s installations to the shore’s installations.

2.1.3 An assessment of compatibility should be performed to determine the compliance of the OPS system layout, shore-connected electrical system (including electrical power, control system and communication), prospective short-circuit current, grounding and environment conditions, etc.

2.1.4 The corresponding technical documents of compatibility assessment for the first connection should be accepted by the Administration of the port State or flag State.

2.1.5 Technical documents of the compatibility assessment for the first connection should be provided to the shore-side by the ship-side.


2.1.6 Both shore and ship-sides should verify design features of the OPS system and complete an OPS communication form (see annex 1) prior to the ship’s arrival at a shore supply point.

2.2 Repeated connection

2.2.1 For every repeated connection, the shore and ship-side should verify the design features of the OPS system and complete an OPS communication form (see annex 1) prior to the ship’s arrival at a shore supply point.

2.2.2 The assessment of compatibility should be performed by the ship-side to verify the possibility to connect the ship to shore supply.

2.2.3 The assessment of compatibility for repeated connection should include, but not be limited to, the following:

.1 verify the acceptable voltage, frequency, phase sequence and capacity of shore installations;

.2 review the design features used for the first connection, compatibility assessment elements, such as the shore installations source impedance for the assessment of prospective short-circuit current, and the shore installations neutral grounding method; and

.3 check the system modifications, if any, which may influence the validity of the first connection compatibility assessment.

2.2.4 If any modification that influences the validity of the compatibility assessment exists, a new compatibility assessment should be carried out in accordance with paragraph 2.1. A modification that influences the validity of the compatibility assessment could refer to the modification of shore installations, capacity of transformers and features of cables, etc.

3 Installation

3.1 System arrangement

3.1.1 Example for general system layout


Note: (1) Connection to the grid of the power supply distribution network to be transformed at the local sub-station; (2) Power distribution from the local sub-station to the port terminal; (3) Frequency converter (if necessary); (4) Power supply to the connector at berth/ship for the power receiving cable from ship/berth; (5) Cable supporting tower or cable support facility (if necessary); (6) Shore power receiving panel on board; (7) Transformer depending upon the ship’s nominal voltage; (8) Power distribution onboard the ship.

3.1.2 An equipotential bonding between the ship’s hull and shore grounding electrode should be established before the OPS connection.

3.1.3 The load transfer between shore installations and ship source(s) of electrical power could be carried out via blackout or a temporary parallel connection. The simultaneous connection of a shore supply and a ship source of electrical power, including the emergency generator, to the same dead section of the electrical system should be prevented if load transfer via a blackout is chosen. The voltage and frequency tolerances should be in compliance with the IEC publications if load transfer via temporary parallel connection is chosen.

3.2 Equipment

3.2.1 The equipment protection class (IP rating) of the ship-side installations should be determined in accordance with the environmental conditions. If necessary, effective means should be provided to prevent the accumulation of moisture and condensation.

3.2.2 Ship-side installations should be located outside hazardous areas. Moreover, the sum of the distance between the worker standing in front of the equipment, and from the front of the equipment to the potential arc source inside the equipment should be taken into account (refer to the provisions of standard IEEE 1584-2002: Guide for Performing Arc Flash Hazard Calculations).

3.3 Communication

3.3.1 Efficient communication should be ensured.

3.3.2 Voice communication:

.1 a voice communication link, e.g. communication devices or other equivalents, should be provided to facilitate the communication between the operational and maintenance personnel from the shore and ship-side; and

.2 voice communication should be tested to secure availability and reliability before the cable connection.

3.3.3 Data communication

A reliable data communication link should be established between shore and ship-side installations.

24 Operation


24.1 Verification and testing

24.1.1 Initial tests:

.1 refer to the tests that could be performed after the completion of the ship-side installations.

Tests shall be performed after completion of the installation.

.2 Tests should be performed with the participation and witness of wintnessed by the Administration of the flag State or a classification society that is recognized by the Administration in accordance with the provisions of SOLAS regulation XI-1/1; and

.3 Tests should include the following:

.1 visual inspection;

.2 power frequency test for switchgear assemblies and voltage test for cables; refer to:

.1 IEC 62271-200: High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgrar and controlgrear for rated voltages above 1 kV and up to and including 52 kV; and

.2 IEC 60502-2: High-voltage switchgear and controlgear – Part 200: AC metal-enclosed switchgrar and controlgrear for rated voltages above 1 kV and up to and including 52 kV; Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) - Part 2: Cables for rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)

for a nominal voltage of 1 kV and more HV systems; and

.3 IEC 60092-401: Electrical installations in ships – Part 401; installation and test of completed installation,

for a nominal voltage of less than 1 kV LV systems;

.3 insulation resistance measurement;

.4 measurement of the grounding resistance;

.5 function test including correct settings of the protection devices;

.6 function test of the interlocking system;

.7 function test of the control equipment(if any);

.8 phase-sequence test;PAGE \* MERGEFORMAT1

.9 function test of the cable management system, where applicable; and

.10 integration tests to demonstrate that the shipside installations like power management system, integrated alarm, monitoring and control system work properly together with the new installation.

The initial tests need to be carried out again only if the ship-side installations have not been in use for more than 30 months.

24.1.2 Tests at the first call at a shore supply point:

.1 both shore and ship-sides should cross check review the initial tests reports before the tests at the first call at a shore supply point. As a minimum, the items in paragraph 4.1.1.3 2.1.1.1 to 2.1.1.10 should be covered in the initial test reports of ship-side installations; and those in paragraphs 4.1.1.3.1 to 4.1.1.3.9 2.1.1.1 to 2.1.1.9 should be covered in the initial test reports of shore-side installations; and

.2 the following tests should be performed as an integration test by shore and ship-sides before the OPS connection:


.2 power frequency test for switchgear assemblies and voltage test for cables, refer to:

.1 IEC 62271-200 and IEC 60502-2, for a nominal voltage of 1 kV and more HV systems;; and

.2 IEC 60092-401, for a nominal voltage of less than 1 kV LV systems;

.3 insulation resistance measurement;

.4 measurement of the grounding resistance;

.5 function test of the protection devices;

.6 function test of the interlocking system;

.7 function test of the control equipment;

.8 equipotential monitoring test;

.9 phase-sequence test;

.10 function test of the cable management system; and

.11 integration tests to demonstrate that the shore and shipside installations work properly together.


The tests in paragraphs 24.1.2.2.2 to 24.1.2.2.4 should be performed only if either of the installations, shore or ship-side, has been out of service or not in use for more than 30 months.

Procedures should include an approved “Lock-out, Tag-out” system There should be a suitable cross boundary safety system that is jointly controlled by the ship and shore persons in charge (PIC). This should include appropriate procedures for ensuring the integrity of any isolations, such as a “lock out/tag out” system.

24.1.3 Tests at repeated calls of a shore supply point:

.1 If the time between port calls (the same shore supply point) does not exceed 12 months and if no modifications have been performed either on the shore or ship-side installations, or both, the following verification should be conducted:


.2 confirmation that no earth fault is present;

.3 statement of voltage and frequency; and

.4 an authorized switching and connection procedure or equivalent;

Procedures should include an approved “Lock-out, Tag-out” system There should be a suitable cross boundary safety system that is jointly controlled by ship-side and shore-side PIC. This should include appropriate procedures for ensuring the integrity of any isolations, such as a “lock out/tag out” system. and

.2 If the time between port calls (the same shore supply point) does exceed 12 months or any modifications have been performed either on the shore or ship-side installations, or both, the test in paragraph 24.1.2.2 should be conducted.

2.24.2 Connection and disconnection

24.2.1 High voltage shore connection（HVSC）24.2.1.1 Both shore and ship-sides should specify responsibilities and assignments.

4.2.1.2 A compatibility assessment study should be performed by the shore and ship-sides prior to the cable connection. The assessment should be performed in accordance with paragraph 2.1 for the first connection or paragraph 2.2 for a repeated connection (See flow chart 1 set out in annex 2).

4.2.1.3 A connection test should be performed by the shore and ship-sides after the completion of a compatibility assessment study and prior to OPS connection. The test should be performed in accordance with paragraph 4.1.2 for the first connection or paragraph 4.1.3 for a repeated connection.

24.2.1. 24 Shore power transfer via parallel connection should follow the flow chart 2 in annex 32. The detailed procedures include:


.1 a safety inspection, which in turn should include:

.1 a review of the qualifications of the operation personnel;

.2 the identification and isolation of hazardous access restricted areas;

.3 a verification of the locations of the communication devices, i.e. walkie-talkie and telephone, fire-fighting equipment and first aid devices;

.4 a verification of the outfit personal protective equipment (PPE)of the operation personnel involved;

.5 a confirmation that the shore-side electrical power sub-station circuit breaker is open and earthed, as well as a visual inspection.

The shore-side should conduct the inspections as provided in subparagraph .1 to .5 and the ship-side should conduct the inspections as provided in subparagraph .1 to .3.

.2 Cross check of the communication establishment equipment in line accordance with the rows “Communication Method” and “Equipment Communication “ as set out in annex 21.

.3 operation of the cable management system:

.1 turn on the cable management system and deploy the cable(s); and

.2 activate the cable monitor systems to automatically observe the cable tension and length and adjust as necessary;

.4 plug in cable and secure the cable grip;

.5 simulation of the “safety circuit pilot loop operation” by shore and ship-sides to confirm the appropriate breakers will trip；

.6 the ship-side should send the signal of “permission to close the breaker” to the shore-side and confirm that the power connection breaker is in the “Connected” position; and

.7 the shore power transfer by the ship-side, which should be as follows:

.1 load should be automatically synchronized and transferred between the shore supply and the ship source(s) of electrical power following their connection in parallel;

.2 the ship electrical system is connected in parallel to the shore-side electrical power;

.3 the ship-side should gradually ramp down reduce load for the ship’s


generators and ramp up transfer load to the shore system; and

.4 the ship-side should shut down the ship generator. Once the ships generators have reduced load sufficiently, the generator breaker is opened, the engine can then be shut down.

24.2.1.35 Shore power transfer via a blackout should follow flow chart 3, as set out in annex 32, in accordance with paragraph24.2.1. 24, except for paragraphs 24.2.1. 24.7.1 to 24.2.1. 24.7.4.

24.2.1.46 Shore power transfer disconnection via parallel connection for disconnection from the OPS should follow flow chart 4, as set out in annex 32. The detailed procedure should include:

.1 a safety inspection, which in turn should include:

.1 a review of the qualifications of the operational personnel;

.2 the identification of hazardous access restricted areas;

.3 a verification of the locations of communication devices, i.e. walkie-talkie and telephone, fire-fighting equipment and first aid devices; and

.4 a verification of the outfit personal protective equipment (PPE)of the operation personnel involved;

The shore-side should conduct the inspection as provided in subparagraphs .1 to .4 and the ship-side should conduct the inspection as provided in subparagraphs .1 to .3.

.2 the shore power transfer by the ship-side, which should be as follows:

.1 ship-side should switch on ship generator(s);

.2 load should be automatically synchronized and transferred between the shore supply and ship source(s) of electrical power following their connection in parallel;

.3 the ship-side should gradually ramp up of ships generators and ramp down of shore system;

.3 the ship-side requires disconnection from the OPS.

.4 the ship-side should send the signal of “permission to open the breaker” to the shore-side and confirm that the power connection breaker is in the “disconnected” position;

.5 the plugging out of the cable, monitor cable disconnection and avoid a fault of equipment; and

.6 the operation of the cable management system.

Collect and store the shore cable as per the procedures for the cable management system.PAGE \* MERGEFORMAT1

24.2.1.57 Shore power transfer via a blackout should follow flow chart 5, as set out in annex 32, in accordance with paragraph 242.1.46, except for paragraphs 242.1.46.2.2 to 24.2.1.46.2.3.

24.2.1.68 Shore power transfer via cable management systems installed on shore, the detailed procedure should include:

.1 For connection, the shore-side should provide the cables to the ship-side according to the requirements of 24.2.1.24.3, and the ship-side should operate according to the requirements of 24.2.1.24.4.

.2 For disconnection, the ship-side should operate according to the requirements of 24.2.1.35.5, and the shore-side should operate according to the requirements of 24.2.1.35.6.

24.2.1.79 Shore power transfer via cable management systems installed on ship, the detailed procedure should include:

.1 For connection, the ship-side should provide the cables to the shore-side according to the requirements of 24.2.1.24.3, and the shore-side should operate according to the requirements of 24.2.1.24.4.

.2 For disconnection, the shore-side should operate according to the requirements of 24.2.1.35.5, and the ship-side should operate according to the requirements of 24.2.1.35.6.

24.2.2 Low voltage shore connection（LVSC）24.2.2.1 The ship-side/shore-side should clarify the division of responsibilities.

24.2.2.2 A compatibility assessment of the OPS system should be carried out by the ship-side/shore-side prior to shore power connection. The first connection should be carried out in accordance with the requirements of 2.1, and the repeating connection should be carried out in accordance with the requirements of 2.2. The specific procedures are set out in Annex B (1).

24.2.2.3 The ship-side/shore-side should conduct safety inspection;

24.2.2.4 The ship-side/shore-side should establish communication;

4.2.2.5 The cable management system is operated according to the requirements of 4.2.1.8 and 4.2.1.9.

24.2.2.56 When shore power supply condition is confirmed by the shore-side and ship-side, the shore-side starts the safety warning device. The shore-side should turn on the main power supply after receiving the readiness signal.

24.2.2.67 The shore-side and ship-side should check the phase sequence.

24.2.2.78 The shore-side starts the shore power system with the power off switching mode or electrified switching mode according to the procedures, and completes the operation.


24.2.2.89 Before the disconnection of OPS via a blackout, the ship-side should notify the shore-side. The shore-side should cut off the power of the OPS system after the confirmation of both sides.

24.3 Operation manual

24.3.1 Ships should be provided with an OPS operation manual and pay attention to the differences of OPS shore installaions between different countries, regions, ports and quays.

24.3.2 Generally, the operation manual should include the procedures for OPS connection and disconnection, and should be drawn up provided in both the working language and in English. All the necessary terms should be defined within the manual.

24.3.3 In particular, the operation manual should include, but not limited to, the following contents:

.1 a complete system description, including circuit diagrams, operation instructions and specification of set points of protection, monitoring and alarming devices of the ship and shore installations, which should be prepared by the parties responsible for the shore and ship OPS systems. Such parties should provide a testing and verification program for the whole installation in order to demonstrate compliance with the specification;

.2 qualification requirements of OPS operation personnel onboard;

.3 procedures for the OPS compatibility assessment;

.4 alternative measures for incompatible OPS;

.5 “lock-out, tag-out” systems that should be jointly controlled by the shore and ship-side’s PIC; There should be a suitable cross boundary safety system that is jointly controlled by the ship and shore persons in charge (PIC).This should include appropriate procedures for ensuring the integrity of any isolations, such as a “lock out/tag out” system.

.6 step-by-step instructions for OPS connection and disconnection including equipotential bonding and load transfer;

.7 means to reduce the current inrush and/or inhibit the starting of large loads that would result in failure, overloading or activation of automatic load reduction(if any) measures when a supply system is connected;

.8 procedures for setting the transfer time limit, which is adjustable in order to match the ability for an external source of electrical power to accept and transfer load;

.9 emergency shutdown recognition and restoration, in relation to which:

.1 as a minimum, the following situations that could lead to emergency shutdown should be listed: loss of equipotential bonding, high cable tension or shortage of remaining cable length, “safety circuit pilot loop” failure, manual activation of the emergency stop system and disconnection of plugs


while energized; and

.2 solutions for above-mentioned failures should be listed in detail.

.10 power restoration procedures when the ship loses OPS, providing:

.1 that the ship’s electrical power should be restored automatically to secure the safety mode, which should be specified the state in which the ship is safely operated; and

.2 failure restoration procedures to change from safety mode to normal should be listed in detail;

.11 appropriate provisions for the storage of removable OPS equipment when not in use. Concerning the referred storage, issues such as temperature, humidity, dirt or dust should be taken into account; and protection regarding the likelihood of physical damage to the cables, plugs, sockets and associated equipment should also be taken into account; and

.12 a maintenance plan to establish periodic tests and maintenance procedures for the system.

.13 a log book to monitor voltage, frequency and current when the OPS is in use, this may be satisfied by the ships alarm and monitoring system where the OPS parameters are monitored and recorded electronically.

24.4 Periodic tests and maintenance

24.4.1 The ship and shore-side should conduct periodic tests and maintenance of each one’s OPS equipments to ensure the assets are in normal working condition.

24.4.2 Periodic tests and maintenance of the ship equipment should be conducted, and the records should be kept on board. Records that are relevant to the shore-side, should be reported by the shore-side of the shore-side in advance.

24.4.3 Periodic tests:

.1 if the time between port calls (the same shore supply point) does not exceed 12 months or the time periods stipulated by the port State authority, the ship should conduct the tests in accordance with elements in paragraph 4.1.1.3 2.1.1.1 to 2.1.1.10; and

.2 if the time between port calls (the same shore supply point) does exceeds 12 months or the time periods stipulated by the port State authority, the tests should be conducted in accordance with the elements in paragraph 24.1.2.2, except for subparagraph 24.1.2.2.8.

.3 the following should be verified during periodic tests:



.2 confirmation that no earth fault is present; and

.3 statement of voltage and frequency.

24.4.4 Maintenance should include, but not be limited to, the followings:

.1 equipment maintenance provisions;

.2 measurement of insulation resistencel;

.32 equipment repairs(if necessary); and

.43 maintenance and repair records including in the Company’s Safety Management System, as provided for in SOLAS chapter IX and the International Safety Management (ISM) Code.

35 Personnel

35.1 A PIC onboard should be in charge of the ship-side installations in service. Electro-technical ratings should be permitted to perform the cable connection and other operational work related to the cable management system under the supervision of the PIC.

35.2 PICs of systems with a nominal voltage of 1kV and more should be:

.1 electro-technical officers holding a certificate of competency in accordance with the requirements of regulations III/6 of the STCW Convention; or

.2 chief engineer officers and second engineer officers on ships powered by main propulsion machinery of 3,000 kW propulsion power or more holding a certificate of competency in accordance with the requirements of regulations III/2 of the STCW Convention and who have completed training in accordance with section B-III/2 of the STCW Convention.

35.3 PICs of systems with a nominal voltage less than 1kV should be:

.1 electro-technical officers holding a certificate of competency in accordance with the requirements of regulations III/6 of the STCW Convention; or

.2 chief engineer officers and second engineer officers on ships powered by main propulsion machinery of 750 kW propulsion power or more who, at least hold a certificate of competency in accordance with the requirements of regulations III/2 of the STCW Convention.

35.4 Electro-technical officers or chief engineer officers and second engineer officers that meet the requirements of paragraphs 5.2.2 and 5.3.2 should conduct onboard training for electro-technical ratings. Onboard training records should be adequately documented in the training record book by the PICs.


35.5 A PIC or a person designated by the PIC should be on duty during the OPS service.


ANNEX 1

EXAMPLE FOR GENERAL OPS SYSTEM LAYOUT

Note: (1) Connection to the grid of the power supply distribution network to be transformed at the local sub-station; (2) Power distribution from the local sub-station to the port terminal; (3) Frequency converter (if necessary); (4) Power supply to the connector at berth/ship for the power receiving cable from ship/berth; (5) Cable supporting tower or cable support facility (if necessary); (6) Shore power receiving panel on board; (7) Transformer depending upon the ship’s nominal voltage; (8) Power distribution onboard the ship.

16

ANNEX 21

OPS COMMUNICATION FORM

No: Date:

Ship’s name Ship’s IMO numberClassification notation □Yes notation

□NoClassification society

Company

ETA ETD

Port of call Berth

Shore-side Ship-side

Voltage and the permitted tolerance

Phase sequence

Frequency (Hz)

Capacity (kVA)

Shore-side source impedance ——

Shore-side neutral grounding method ——

Type of plug/ socket □plug type□socket type

□plug type□socket type

The length of the ship to shore connection cable (m)Connection location

Communication method

□Direct verbal□Radio□Mobile phone phone number□Others

□Direct verbal□Radio□Mobile phone phone number□Others

Data communication

□Power failure signal□Fault switch signal□Grounding fault signal□ESD signal□Cable management system alarm signal□Other signals

□Power failure signal□Fault switch signal□Grounding fault signal□ESD signal□Cable management system alarm signal□Other signals

Any modification in the OPS system that may influence the validity of initial compatibility assessment exist

Yes□ No□ Yes□ No□

17

Other important information and contents to be confirmed by the ship-side in advance

(1)Did this ship make a successful shore connection according to this guidance in the past 12 months? Yes□; NO□（If “no”, reason）；(2)Did this ship make a successful shore connection in other berths of this port?

Yes□，Berth’s number：No□；

(3) ；(4) ；

Other important information and contents to be confirmed by the shore-side in advance

（1）；（2）；

The signature of the ship-side Date

The signature of the shore-side Date

Note:Contact person of the ship-side: Contact Number:Contact person of the shore-side: Contact Number:

18

ANNEX 32

OPERATION FLOW CHART FOR OPS CONNECTION

Flow chart 1 - Compatibility assessment before the ship’s OPS connection

19

Flow chart 2 – Ship’s connection to OPS upon arrival with shore power transfer via parallel connection

20

Flow chart 3 – Ship’s connection to OPS upon arrival with shore power transfer via blackout

21

Flow chart 4 – Ship’s disconnection from OPS upon departure with shore power transfer via parallel connection

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Flow chart 5 – Ship’s disconnection from OPS upon departure with shore power transfer via blackout

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