Wiring And Necessary Equipment - GE Multilin MIWII Instruction Manual

9.3 WIRING AND NECESSARY EQUIPMENT

9.3WIRING AND NECESSARY EQUIPMENT
Necessary equipment:
• 1 AC current source and one AC Voltage source with possibility to monitor the angle difference between them.
• 1 AC or DC voltage power supply for feeding the unit and activating digital inputs.
• 1 timing device.
• 1 Multi-meter.
• Relay wiring diagram.
Optionally, it is advisable to have a PC available, with the ENERVISTA MII SETUP software installed.
Relay wiring diagram.
Connect the relay as shown in Figure 9–1:
Supply the unit through terminals A1 and A2 at the rated DC voltage.
Connect the current source to terminals C1-C2, and the voltage source VI to terminals C3 and C4.
For safety reasons, the external protection earth terminal should be securely grounded.
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9-4
Figure 9–1: TEST CONNECTIONS FOR MIWII RELAY
MIWII Directional Power Protection System
9 RELAY COMMISSIONING
GEK-113308