CHAPTER 3: INSTALLATION
WIRING
F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
3-15
3
CT connections for both ABC and ACB phase rotations are identical, as shown in the Typical Wiring Diagram.
The exact placement of a zero-sequence core balance CT to detect ground fault current is shown as follows. Twisted-pair
cabling on the zero-sequence CT is recommended.
Figure 3-14: Zero-sequence core balance CT installation
The phase voltage channels are used for most metering and protection purposes. The auxiliary voltage channel is used as
input for the synchrocheck and volts-per-hertz features, which are optional features available for some UR models.
Figure 3-15: CT/VT module wiring
Substitute the tilde “~” symbol with the slot position of the module in the following figure.
Содержание F35
Страница 12: ...1 4 F35 MULTIPLE FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL FOR FURTHER ASSISTANCE CHAPTER 1 INTRODUCTION 1 ...
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Страница 562: ...6 30 F35 MULTIPLE FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL PRODUCT INFORMATION CHAPTER 6 ACTUAL VALUES 6 ...
Страница 576: ...7 14 F35 MULTIPLE FEEDER PROTECTION SYSTEM INSTRUCTION MANUAL TARGETS CHAPTER 7 COMMANDS AND TARGETS 7 ...
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