load bank selection guide

Load Bank Selection Guide

January 2016

https://www.unitedrentals.com/

United Rentals Power & HVAC (URI) is a leading provider of electrical and thermal load simulation tools and services that validate critical asset reliability of mission critical electrical and mechanical systems. We offer a complete, unique portfolio of core commissioning products including load banks, custom engineered equipment, and managed services required to support the rapidly evolving infrastructure demands for owners and operators.

URI manages a well-maintained and diverse fleet of high quality rental units allowing it to offer an extensive range of solutions to its clients. It is well known within the industry sectors for its ability to quickly respond to customer needs and has a reputation for solving complex problems with customized solutions. The company service offerings include design, logistics, installation, startup, operations, and maintenance. UR supports a wide variety of rental products and applications:

• Load Banks – UR owns a wide variety of load banks used for unity, leading, or lagging power factor testing of electrical systems. Primary applications include generator testing, turbines, sub-station relays, power distribution, uninterruptible power supplies, and switchgear sequencing. Mechanical systems are also validated using load banks for commissioning heat load criteria for AC units and large chiller systems.

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Business Overview


Containment and Power Distribution Testing Equipment 19” RACK MOUNT LOAD BANK SPECIFICATIONS Voltage 240 volt, 1 Phase 230 volt, 1 Phase 208 volt, 1 phase Capacity 17.5KW 16.1KW 13.15KW Load Step Resolution Step 1 1.25KW 1.15KW 0.94KW 1.25KW 1.15KW 0.94KW Step 2 2.5KW 2.3KW 1.88KW Step 3 2.5KW 2.3KW 1.88KW Step 4 2.5KW 2.3KW 1.88KW Step 5 3.75KW 3.45KW 2.82KW Step 6 3.75KW 3.45KW 2.82KW Load Step 1 includes a 1.6 amp load for control / fan power Airflow range Fan Speed Control 400-1500CFM Connection Each load step has C-19 / C20 or C-13 / C-14 connectors Dimensions and Mounting Height 10U (17.5 inches) Width 19-inch server rack Depth 16 inches Weight 40 pounds Mounting Quarter-turn, key lockable tabs

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Resistive Load Bank Solutions


Small Portables RPP and PDU Testing, Heat Load, Small Generators

Avtron - LPH 100 Specifications

Capacity 100 KW at 480 volt 3PH 60 Hz - 120 amps

75 KW at 416 volt 3PH 60Hz - 104 amps

93.75 KW at 240 volt 3PH 60Hz – 226 amps

70.4 KW at 208 volt 3PH 60Hz - 195 amps

Units can run various voltages 1PH up to 62KW

Control Power - 120vAC – 1PH 60Hz

5 amps draw per unit

Weight - 105 pounds (190 pounds with shipping case and cables)

Dimensions – 25” long x 16.25” wide x 29” tall (Units are on castors)

Each unit comes with 12’-15 linear female tails and a control power cord

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LBD - LP 125 Specifications Capacity 125KW at 480 volt 3PH 60 Hz 150 Amps 94KW at 416 volt 3PH 60 Hz 130 Amps 125 KW at 240 Volt 3PH 60 Hz 301 Amps 94 KW at 208 Volt 3PH 60 Hz 261 Amps 1 KW load step resolution Microprocessor Digital Operator Controls: Controller can be accessed with PC for load bank control, data acquisition and recording Power Metering includes single screen display of Load Line Volts, Amps, KW, Frequency and Power Factor Automatic Load Compensation for maintaining defined power during testing in case the supply voltage changes Load Profile Software allows user to define load steps and time duration via controller or PC for entire load bank test Master – Slave capability for up to 32 load banks connected via RS-485 cables to hand held controller or PC Advanced data acquisition and independent recording capability of critical load test measurements - all stored on non-volatile memory. No need for a PC connection at test site! Weight - 125 pounds Dimensions – 23” long x 15” wide x 34” tall (Units are on castors) Horizontal heat discharge

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Features • Robust microprocessor-based operator control

panel that is designed for convenient, flexible load testing.

• Master / Slave capability – synchronous control up to 32 load banks or asynchronous control up to 128 load banks. Master controller auto-senses the total KW available for the entire connected fleet.

• Wifi and Tablet Control - control your single load bank or your entire fleet remotely via RS-485, Ethernet or Wifi.

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Digital Controller Solutions

• Automatic Voltage Correction - the Controller evaluates the load voltage and scales the applied load for enhanced accuracy.

• Auto Step Control - easily program and launch an automatic load test with up to 10 individual KW steps and corresponding time intervals.

• Load Servo Mode - the Controller will intelligently monitor the entire load test and automatically make adjustments to keep the desired load KW within a defined range.

• Advanced data acquisition and independent recording capability of critical load test measurements - all stored on non-volatile memory. No need for a PC connection at test site!

• Optional Remote Controller can be connected and positioned up to 5000 feet from test area over a single RS-485 cable.

• Fault Diagnostics will identify over 15 fault conditions to assist the operator when troubleshooting issues.

• Automatic blower start and stop with voltage and phase rotation correction.

• Field upgradeable firmware allows you to stay current with the latest control advancements.



Avtron - LPH 400 Specifications



400 KW at 240 volt 3PH 60Hz – 962 amps


Control Power – Standard Internal Control Power Transformer

External power available - 9.4 Amps @208 3PH / 4.7 Amps @480 3PH

Weight - 806 pounds

Dimensions – 61” long x 33.25” wide x 50.25” tall (Units are on castors)

Each unit comes with male lugged tails

Horizontal heat discharge

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LBD - LP 600 Specifications Capacity 600 KW at 480 volt 3PH 60 Hz 722 Amps

451 KW at 416 volt 3PH 60 Hz 626 Amps

600 KW at 240 Volt 3PH 60 Hz 1443 Amps

451 KW at 208 Volt 3PH 60 Hz 1252 Amps

1 KW load step resolution

Microprocessor Digital Operator Controls:

Controller can be accessed with PC for load bank control, data acquisition and recording

Power Metering includes single screen display of Load Line Volts, Amps, KW, Frequency and Power Factor

Automatic Load Compensation for maintaining defined power during testing in case the supply voltage changes

Load Profile Software allows user to define load steps and time duration via controller or PC for entire load bank test

Master – Slave capability for up to 128 load banks connected via RS-485 cables to hand held controller or PC

Advanced data acquisition and independent recording capability of critical load test measurements - all stored on non-volatile memory. No need for a PC connection at test site!

Weight - 925 pounds

Dimensions – 58” long x 34” wide x 59” tall (Units are on castors)


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Features • Robust microprocessor-based operator control

panel that is designed for convenient, flexible load testing.

• Master / Slave capability – synchronous control up to 32 load banks or asynchronous control up to 128 load banks. Master controller auto-senses the total KW available for the entire connected fleet.

• Wifi and Tablet Control - control your single load bank or your entire fleet remotely via RS-485, Ethernet or Wifi.

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Digital Controller Solutions

• Automatic Voltage Correction - the Controller evaluates the load voltage and scales the applied load for enhanced accuracy.

• Auto Step Control - easily program and launch an automatic load test with up to 10 individual KW steps and corresponding time intervals.

• Load Servo Mode - the Controller will intelligently monitor the entire load test and automatically make adjustments to keep the desired load KW within a defined range.

• Advanced data acquisition and independent recording capability of critical load test measurements - all stored on non-volatile memory. No need for a PC connection at test site!

• Optional Remote Controller can be connected and positioned up to 5000 feet from test area over a single RS-485 cable.

• Fault Diagnostics will identify over 15 fault conditions to assist the operator when troubleshooting issues.

• Automatic blower start and stop with voltage and phase rotation correction.

• Field upgradeable firmware allows you to stay current with the latest control advancements.


Small Portables Buss Way, UPS Testing, Generators

Avtron - LPV 700 Specifications



700 KW at 240 volt 3PH 60Hz – 1684 amps



External power available - 18 Amps @208 3PH / 9 Amps @480 3PH

Weight - 1150 pounds

Dimensions – 60.5” long x 33.5” wide x 75” tall (Units are on castors)

Each unit comes with male lugged tails

Vertical heat discharge (Horizontal option with flume attached)

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Small Portables Buss Way, UPS Testing, Generators, Switchgear

LBD - LP 1000KW Specifications

Capacity 1000KW at 480 volt 3PH 60 Hz - 1203 amps



Multi-tap transformer allows 480v and 416v operation with

optimum ratios for internal control contactor voltages

External power available - 15 Amps @480 3PH


Dimensions – 48.25” long x 33.5” wide x 76.25” tall (Units are on castors)

Each unit comes with male panel cams

Vertical heat discharge (Horizontal option with flume attached)

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Outdoor Trailer Mounted Units Buss Way, UPS Testing, Generators, Switchgear

1000KW / 1250KW Specifications

Capacity 1000KW

1000 KW at 480 volt 3PH 60 Hz - 1203 amps




1250KW




600 KW at 208 volt 3PH 60 Hz – 1668 amps


External power available - 16 Amps @240 3PH / 8 Amps @480V 3PH


Dimensions – 97” long x 82” wide x 50” tall



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Outdoor Trailer Mounted Units Buss Way, UPS Testing, Generators, Switchgear, Substations

K875 - 2000KW Specifications

Capacity 2000 KW





External power available - 30 Amps @480 3PH / 60 @240 3PH





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K875 - 2500KW Specifications

Capacity 2500KW

2500KW at 480 volt 3PH 60 Hz - 3007 amps

1875KW at 416 volt 3PH 60 Hz - 2602 amps


External power available - 45 Amps @480 3PH





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LT - 2500KW Specifications

Capacity 2500 KW – 480v Unit



2500 KW – 600v Unit




1202 KW at 416 volt 3PH 60 Hz – 1668 amps


Multi-tap transformer allows 600v and 480v operation with

optimum ratios for internal control contactor voltages

External power available - 39 Amps @600 3PH / 47 Amps @480 3PH


Dimensions – 87” long x 40.25” wide x 108” tall


Vertical heat discharge

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LTV - 3000KW Specifications

Capacity 3000 KW




External power available – 50 Amps @480 3PH


Dimensions – 135.25” long x 67.25” wide x 98.5” tall

Each unit comes with male tails


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CR – 3.3MVA Resistive/Reactive Specifications

Capacity 3300 KVA

2640 KW at 0.8 lagging power factor at 480 volt 3PH 60 Hz - 3969 amps

Voltage range of 380 volt to 480 volt with 1-KW and 1-KVAR load step resolution



Controls – Manual, or hand held controller, and PC software

Weight – 22,500 pounds

Dimensions – 10’ long x 8’ wide x 8.5 tall – ISO Container


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Inductive Load Bank Solutions



CR – 6.25MVA Resistive/Reactive Specifications

Capacity 6250 KVA

5000 KW at 0.8 lagging power factor at 480 volt 3PH 60 Hz - 7518 amps

Voltage range of 380 volt to 480 volt with 1-KW and 1-KVAR load step resolution



Controls – Manual, or hand held controller, and PC software

Weight – 38,375 pounds

Dimensions – 20’ long x 8’ wide x 8.5 tall – ISO Container


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Inductive Load Bank Solutions



K595 – 2000KVAR Capacitive Specifications

Capacity 2000 KVAR

2000 KVAR leading power factor at 480 volt, or 416 volt 3PH 60 Hz

Control Power – External control power –5 Amps @120vAC 1PH

Weight – 4500 pounds

Dimensions – 88.5” long x 67” wide x 63.5” tall

Male Panel Cams

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Capacitive Load Bank Solutions


load bank selection guide

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