Power Supply - GE 889 Instruction Manual

SPECIFICATIONS
FASTPATH:

Power Supply

1–30
AUXILIARY OUTPUT RELAYS
(Relays #3, #4 and the Critical Failure Relay from Slot F, and Relays #11, #12 and #16 from
Slot G)
Type: ......................................................................... FORM-C
Configuration: ...................................................... electromechanical
Contact material:................................................ silver-alloy
Operate time:........................................................ <8 ms
Continuous current:........................................... 10 A
Make and carry for 0.2s: ................................. 30 A per ANSI C37.90
Break (DC inductive, L/R=40 ms):................. 24 V / 1 A
Break (DC resistive): ........................................... 24 V / 10 A
Break (AC inductive):.......................................... 720 VA @ 250 VAC Pilot duty A300
Break (AC resistive):............................................ 277 VAC / 10 A
Operation Mode: ................................................. Self-Reset, Latched, Pulsed, Non-Failsafe, Failsafe
Breaking Capacity:............................................. For Form-C relays the following ratings are applied to meet
For 2 IO_A module configuration the following ratings are applied to meet UL508
requirements: 1 second "on"/ 10 seconds "off" per output relay at max rating.
PULSED OUTPUTS
Mode:........................................................................ 3-phase positive and negative active energy measurement,
Principle: ................................................................. Pulsed output is energized for one second and then de-
POWER SUPPLY
Nominal DC Voltage: ......................................... 125 to 250 V
Minimum DC Voltage: ....................................... 88 V
Maximum DC Voltage:...................................... 300 V
Nominal AC Voltage:.......................................... 100 to 240 V at 50/60 Hz
Minimum AC Voltage:........................................ 88 V at 50 to 60 Hz
Maximum AC Voltage: ...................................... 265 V at 50 to 60 Hz
Voltage loss ride through:............................... 20 ms duration
POWER SUPPLY (FOR "L" DC ONLY OPTION)
Nominal DC Voltage: ......................................... 24 V to 48 V
Minimum DC Voltage: ....................................... 20 V
Maximum DC Voltage:...................................... 60 V
POWER CONSUMPTION
Typical: .................................................................... 20 W / 40 VA
Maximum: .............................................................. 34 W / 70 VA
48 V / 0.5 A
125 V / 0.3 A
250 V / 0.2 A
48 V / 6 A
125 V / 0.5 A
250 V / 0.3 A
UL508 requirements: 1 second "ON"/10 seconds "OFF" per
output relay at maximum rating
3-phase positive and negative reactive energy
measurements
energized for one second after the programed energy
increment.
889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION