Eaton Cutler-Hammer D64 Series, Инструкция по эксплуатации

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PUB 50413
D64RPBH13 SERIES B1 GROUND FAULT RELAY
Revision 2
September, 2009
Page 7
Table 2: Ground Fault Trip Level
As indicated in the General Description, it is recommended that the ground fault TRIP LEVEL setting be
kept as close to the charging current as possible. This will provide maximum safety for operating
personnel and equipment protection. On resistance grounded systems, the TRIP LEVEL setting should
be set lower than 20% of the Neutral Grounding Resistor let-through current.
If the measured ground fault current exceeds the TRIP LEVEL setting, the output circuit breaker will trip
after the pre-selected TRIP DELAY.
2.2.3 TRIP INHIBIT MODE
TRIP INHIBIT is described under the glossary of terms. The setting of DIPswitch 11 determines if TRIP
INHIBIT is disabled or enabled. This is shown in Table 3.
Table 3: Trip Inhibit Mode
DIPSWITCH
SETTINGS
TRIP
INHIBIT
MODE
11
L=LEFT
R=RIGHT
L * DISABLED
R ENABLED
* Factory Setting
DIPSWITCH
SETTINGS
LEVELS WHEN USING C311CTs
WITH 500:1 TURNS RATIO
LEVELS WHEN USING C311CTs
WITH 10,000:1 TURNS RATIO
5 6 7 8 9 TRIP LEVEL
IN AMPS
INHIBIT LEVEL
IN AMPS
(When INHIBIT is
Enabled)
TRIP LEVEL
IN AMPS
INHIBIT LEVEL
IN AMPS
(When INHIBIT is
Enabled)
L=LEFT
R=RIGHT
L L L L L * 2.5 10 * 50 200
L L L L R 3 10 60 200
L L L R L 3.5 10 70 200
L L L R R 4 10 80 200
L L R L L 4.5 10 90 200
L L R L R 5 20 100 400
L L R R L 6 20 120 400
L L R R R 7 20 140 400
L R L L L 8 20 160 400
L R L L R 9 20 180 400
L R L R L 10 20 200 400
L R L R R 12.5 50 250 1000
L R R L L 15 50 300 1000
L R R L R 17.5 50 350 1000
L R R R L 20 50 400 1000
L R R R R 22.5 50 450 1000
R L L L L 25 50 500 1000
R L L L R 27.5 50 550 1000
R L L R L 30 100 600 2000
R L L R R 35 100 700 2000
R L R L L 40 100 800 2000
R L R L R 45 100 900 2000
R L R R L 50 100 1000 2000
R L R R R 55 100 1100 2000
R R L L L 60 100 1200 2000
* Factory
Setting
* Factory
Setting