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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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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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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Schneider Electric 3- CS&P – C264 Internal Synchrocheck – E01
• Content
Prerequisites
Internal Synchrocheck Scheme
Internal Synchrocheck Configuration
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 4- CS&P – C264 Internal Synchrocheck – E01
• 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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Schneider Electric 5- CS&P – C264 Internal Synchrocheck – E01
• Content
Prerequisites
Internal Synchrocheck Scheme
Internal Synchrocheck Configuration
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 6- CS&P – C264 Internal Synchrocheck – E01
VB
2π FB t
2π FL t
VL
• Voltages
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 7- CS&P – C264 Internal Synchrocheck – E01
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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 8- CS&P – C264 Internal Synchrocheck – E01
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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 9- CS&P – C264 Internal Synchrocheck – E01
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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 10- CS&P – C264 Internal Synchrocheck – E01
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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 11- CS&P – C264 Internal Synchrocheck – E01
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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 12- CS&P – C264 Internal Synchrocheck – E01
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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Schneider Electric 13- CS&P – C264 Internal Synchrocheck – E01
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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Schneider Electric 14- CS&P – C264 Internal Synchrocheck – E01
T1 configurable timer
&
VlineVbusbar
∆∆∆∆F
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 15- CS&P – C264 Internal Synchrocheck – E01
• Content
Prerequisites
Internal Synchrocheck Scheme
Internal Synchrocheck Configuration
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 16- CS&P – C264 Internal Synchrocheck – E01
• Auto / Manual Internal SC (1)1) INTERNAL MANUAL SYNCHROCHECK
2) INTERNAL AUTOMATIC SYNCHROCHECK
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 17- CS&P – C264 Internal Synchrocheck – E01
• 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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 18- CS&P – C264 Internal Synchrocheck – E01
• 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) )) )
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 19- CS&P – C264 Internal Synchrocheck – E01
• 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
8/20/2019 L2 V4 10 C264 Internal Synchrocheck E 01
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Schneider Electric 20- CS&P – C264 Internal Synchrocheck – E01
• 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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Schneider Electric 21- CS&P – C264 Internal Synchrocheck – E01
• 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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Schneider Electric 22- CS&P – C264 Internal Synchrocheck – E01
• 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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Schneider Electric 23- CS&P – C264 Internal Synchrocheck – E01
• 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