Control - GE KVGC 202 Technical Manual

KVCG202/EN M/H11
3.4.14 Setting output masks
3.4.15 Resetting values
3.4.16 Resetting CONTROL LED indication
3.5 External connections
3.5.1 Auxiliary supply
3.5.2 Logic control inputs
3.5.3 Analogue inputs
3.5.4 Output relays
3.5.5 Setting the relay with a PC or Laptop
3.6 Alarm flags
4. APPLICATION OF CONTROL FUNCTIONS
4.1 Configuring the relay
4.2 Changing the configuration of the relay
4.2.1 SYSTEM DATA (SD)
4.2.2 Logic links (LOG)
4.2.3 Control links (CTL)
4.2.4 Default output relays
4.3 Setting group selection
4.4 ApplicatIons
4.4.1 Introduction
4.4.2 Basic requirements
4.4.3 Operating time delay
4.4.3.1 Initial delay (tINIT)
4.4.3.2 Definite/Inverse time characteristics
4.4.3.3 Intertap Delay
4.4.3.4 Tap Pulse Duration (tPULSE)
4.4.4 Operating Sequences
4.4.4.1 Method 1
4.4.4.2 Method 2
4.5 Line drop compensation
4.6 Auto, manual and remote operation modes
4.6.1 Remote change of operating mode
4.6.2 Manual change of operating mode via logic input
4.7 Paralleled transformers
4.7.1 Master-Follower schemes
4.7.2 Instability of individually controlled parallel transformers
4.7.2.1 Runaway
4.7.2.2 Effect of circulating current on LDC
4.7.3 Negative reactance compounding
4.7.4 Circulating current control
4.7.4.1 Independent/parallel control
4.7.4.2 Circulating current control with LDC
4.8 Supervision functions of a VRR
4.8.1 Runaway protection
4.8.2 Undervoltage detection (V<)
4.8.3 Undervoltage blocking (V<<)
4.8.4 Overvoltage detection (V>)
4.8.5 Overcurrent detection (I
4.8.6 Undercurrent detection (I
4.8.7 Circulating current detection (IC>)
4.8.8 Reverse current detection (I rev)
4.9 Tap position indication
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Technical Manual
KVGC202
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