l2 v4 10 c264 internal synchrocheck e 01

8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01

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Internal Synchrocheck

Configuration

PCLPCLPCLPCL

PACiSPACiSPACiSPACiS TechnicalTechnicalTechnicalTechnical TrainingTrainingTrainingTraining LevelLevelLevelLevel 2 22 2

CS&PCS&PCS&PCS&P – –– – Support Team Support Team Support Team Support Team


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Schneider Electric 2- CS&P – C264 Internal Synchrocheck – E01

• Content

Prerequisites

Internal Synchrocheck Scheme

Internal Synchrocheck Configuration


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• Content

Prerequisites




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• Prerequisites

1) VOLTAGE ACQUISITION => CT/VT BOARD (TMU200 or TMU220)

TMU200 => 4VTTMU220 => 5VT => 1 synchrocheck on double busbars network.

2) TYPED MODULE CIRCUIT BREAKER


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• Content

Prerequisites




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VB

2π FB t

2π FL t

VL

• Voltages


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VL1

VL2

VL3

VB1VB2

VB3

∆ϕ∆ϕ∆ϕ∆ϕ

2π.FB.t

2π.FL.t

=2π.∆∆∆∆F.t (1st order development)

Application

∆∆∆∆F small∆∆∆∆V small

VL1

VB1

Coupling Net Scheme ∆ϕ∆ϕ∆ϕ∆ϕ(t) from ∆∆∆∆F

± ∆∆∆∆(∆ϕ∆ϕ∆ϕ∆ϕ)

∆ϕ∆ϕ∆ϕ∆ϕ = 2π.∆∆∆∆F.TaVL1

VB1

Locking « Check » Scheme

∆ϕ∆ϕ∆ϕ∆ϕ = Cte

• Synchronise Relay Principle


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Synchro

CloseControl NETWO

RK

B

NETWORK

A

VT VT

3 CB Closing conditions•Same frequency•Same amplitudes

•Same phases & zero-phase angle difference4 Kinds of synchronisation closure•Check synchronisation LOCK A, B already connected (Same Frequency) •Power synchronisation COUPLING A, B split power system (independant) •Generator synchronisation A generator, B Grid Drive Turbine/excitation

•Without synchronisation OVER-RIDE dead line/bar

• Application to 2 networks


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C264

InternalSynchrocheck

CT/VT calculations

CB CLOSEORDER

NETWORK

AINTERNALSYNCHRO

CHEK

CT/VTCALCULATIONS

NETWORK NETWORK NETWORK NETWORK

A AA A

NETWORK NETWORK NETWORK NETWORK

BBBB LINELINELINELINE

Application to two networks

• Computer Synchrocheck Function


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Voltage Thresholds Computation

Dead/Live Line&Bar (Vline and Vbusbar) settable thresholds

.Vline and not(Vbusbar)

.not(Vline) and Vbusbar

.not(Vline) and not(Vbusbar)

Settable Closing Override

Synchronise Scheme ClosingSettable

Locking / Coupling

Overriding Dead Side

• Synchrocheck Logic


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Vline and Vbusbar TRUE if the measured voltage is above the

threshold V> Live threshold

not(Vline) and not(Vbusbar) TRUE if the measured voltage is below thethreshold V< Dead threshold

Voltage Thresholds Computation

Dead/Live Line&Bar (Vline and Vbusbar)Dead LiveNone

(Bypass)

• Live / Dead Bus / Line

Note : There is 5% of hysteresis onvoltage thresholds (See C264_FT).

Nominal V = 100V

45V


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If, during the T1, T2 delay time, one of the 2 criteria is lost, the timer isreinitialised and is launched again on reappearance of all the criteria.

T1, T2 configurable delay

Vline and not(Vbusbar) voltage control (LL-DB)

Overriding Dead Side

Vline T2 0& Closing authorizationNot(Vbusbar)

Not(Vline )and Vbusbarvoltage control (DL-LB) T2

Not(Vline )and Not(Vbusbar)voltage control (DL-DB) T1

• Dead Side


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FOR CLOSING AUTHORISATION

Presence of both voltages (LL-LB)

∆∆∆∆V is lower than a configurable threshold (%)

Fline and Fbusbar are such Fmin


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T1 configurable timer

&

VlineVbusbar

∆∆∆∆F


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• Content

Prerequisites




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• Auto / Manual Internal SC (1)1) INTERNAL MANUAL SYNCHROCHECK

2) INTERNAL AUTOMATIC SYNCHROCHECK


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• Add / Configure an Internal SC (1)1) Internal SC can be added at Bay Level .

Built-in function :Internal auto CS Internal manu CS

2) Internal SC attributes : General Tab

Automatic Out Of Service :If Manual SC => Yes/No If Automatic SC => Yes


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• Add / Configure an Internal SC (2)

Deltas, VoltagesPresence / AbsenceTest Duration:To declare Live/Dead

3) Internal SC attributes : General Tab (1)

For locking scheme :∆∆∆∆V, Fmin, Fmax,∆∆∆∆F,∆Φ ∆Φ ∆Φ ∆Φ

For coupling scheme :∆∆∆∆V, Fmin, Fmax,∆∆∆∆F,∆(∆Φ ∆(∆Φ ∆(∆Φ ∆(∆Φ) )) )


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• Add / Configure an Internal SC (3)3) Internal SC attributes : General Tab (2)

Thresholds :detection of Live Line, Dead Line

detection of Live Bus, Dead Bus % of nominal value


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• Add / Configure an Internal SC (4)3) Internal SC attributes : General Tab (3)

Synchro Close =

Sync CB Close for automatic SCSwitch Ctrl DPC and SC On/off = ON for manual SCcoupling usage / locking usage / close authorisation inDL-LB, LL-DB, DL-DB / timer T1 for locking / couplingscheme to maintain conditions

Close =Switch Ctrl DPC for automatic SCSwitch Ctrl DPC and SC On/off = OFF for manual

SClocking usage (LL-LB) / close authorisation in DL-LB, LL-

DB, DL-DB / timer T1 for locking scheme to maintainconditions

Automatic Close = from ARlocking usage (LL-LB) / close authorisation in DL-LB, LL-

DB, DL-DB / timer T1 for locking scheme to maintainconditions


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• Internal SC Sons & Relations (1)1) Internal SC Relations=> 1 internal SC per C264

Relation “is synchrocheck of” target synchronised CB

Target CB Configuration

Add “Sync CB Close” under CB

- same SBO/DE conf. as Switch Ctrl DPC


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• Internal SC Sons & Relations (2)1) Internal SC Basic Configuration

Close Order SPS :transient SPS set as soon as a synchronisedclosure is in progress

On/Off SPS :SC In/Out Service

Possible Closing :when locking conditions are OK, set after T1

timer

Dead LineLive LineDead Bus

Live Bus


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• Internal SC Sons & Relations (3)1) Internal SC Enhanced Configuration

Accept forcing SPS :- not wired - SPS datapoint, giving authorisation to force

synchrocheck - OI and GTW are clients of this SPS for

synchrocheck forcing

CS Locked SPS :SC locked status

On/Off SPC or DPC :for Manual SC, order to put in/out service

l2 v4 10 c264 internal synchrocheck e 01

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