SDV-SH15 Omron, SDV-SH15 Datasheet - Page 35
SDV-SH15
Manufacturer Part Number
SDV-SH15
Description
Sensor Hardware & Accessories SHUNT 15A
Manufacturer
Omron
Specifications of SDV-SH15
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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With the circuit shown below, the characteristics listed in the follow-
ing table can be tested. Determine the number of conductor runs
through the holes of the current transformer in accordance with the
operating current range of the Motor Protective Relay and by refer-
ring to the table in the section Selecting the Current Converter.
Overcurrent
Open-phase
Reverse-phase
Testing Method
Test item
3 SD: 3-phase voltage regulator (5 to 15 A)
A:
V:
CC:
Y:
3-phase, 200 V, 50/60 Hz
R
1. Turn on SW
2. Turn on SW
3. Gradually increase the current by adjusting the voltage
4. Turn off SW
1. Open (burn-out) any one of the Current Converter input
2. Turn on SW
3. Confirm that the relay operates when the current is 50%
4. Turn off SW
1. Reverse the leads at terminals 2 and 3 of the relay (indi-
2. Turn on SW
3. Connect the voltage regulator to terminals 1, 2, and 3.
4. Increase the voltage by adjusting the voltage regulator,
R
1
AC ammeter
AC voltmeter (300 V)
cycle counter
auxiliary relay (15 A)
regulator. Read the positions at which the relay operates.
phases.
adjusting the voltage regulator.
or less of the current SV.
cated by the dashed lines) to create a reverse-phase con-
dition.
ates.
and confirm that the relay operates when the voltage is
below 80% or less of the rated voltage.
R
S
2
R
1
T
SET
Current
Converter
1.
2
1
1
1
SW
1
.
.
to operate auxiliary relay Y.
and SW
and SW
1
Operating value
2
. Gradually increase the current by
2
and confirm that the relay oper-
SE-KP2EN
Motor Protective Relay
1
2
3
7
8
5
6
R
R
SW
SW
1
2
:
:
1
2
: knife switch (three-phase)
: toggle switch
variable resistor (50 , 400 W + 400 W)
fixed resistor (50 , 400 W + 400 W)
Test procedure
100 V
CC
C
1. Turn on SW
2. Turn on SW
3. Turn on SW
4. Turn off SW
1. Open (burn-out) any one of the Current Converter input
2. Turn on SW
3. Turn off SW
1. Create a reverse-phase condition at the voltage inputs.
2. Turn on SW
3. Turn off SW
Y
100 VAC
50/60 Hz
SW
rent Converter to 600% of the current SV by adjusting the
voltage regulator. Then turn off SW
when it is stopped by the relay operation.
phases. Adjust the voltage regulator so that the currents of
the other two phases equal the current SV.
counter CC when it stops.
counter CC when it stops.
2
Motor Protective Relay
1
1
2
2
2
2
1
1
.
.
.
.
and SW
and record the value of the cycle counter CC
and SW
and SW
Operating time
2
2
2
and increase the current to the Cur-
, and record the value of the cycle
, and record the value of the cycle
1
and SW
SE
2
.
33
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