1.
Apply 120 Vac from power source.
2.
Increase voltage to 121.2. The LOWER LED should illuminate.
3.
Decrease voltage to 118.8. The RAISE LED should illuminate.
4.
Set the input voltage to 120.0 Vac. Wait for RAISE and LOWER LEDs to
extinguish.
5.
Increase voltage to 122.0 Vac, then start timing when voltage passes 121.0 V.
6.
Stop timing when the lamp connected to the LOWER output illuminates (should be
approximately 5 seconds).
7.
Resistance
7.1. Apply a 100.0 mA in-phase current to Pin 4 (load current-polarity) and Pin 2
(load current-return) of the P2 connector.
7.2. Set S
1
to LDC and S
2
to I
L
.
7.3. Set LDC Resistance to 24.0 V. The RAISE LED should illuminate.
7.4. Increase the input voltage to 132.0 Vac. The RAISE and LOWER LEDs
should be extinguished.
7.5. Set the LDC Resistance to –24.0 V. The LOWER LED should light.
7.6. Decrease the input voltage to 108.0 Vac. Both RAISE and LOWER LEDs
should extinguish.
7.7. Set the LDC Resistance to 0.0 V.
7.8. Decrease the input voltage to 120 Vac.
8.
Reactance
8.1. Apply 100.0 mA 90° leading current to Pin 4 (load current-polarity) and Pin 2
(load current-return) of the P2 connector.
8.2. Set S
1
to LDC and S
2
to I
L
.
8.3. Set LDC Reactance to 24.0 V. The LOWER LED should illuminate.
8.4. Decrease the input voltage to 108.0 Vac. The RAISE and LOWER LEDs
should be extinguished.
8.5. Set LDC Reactance to –24.0 V; the RAISE LED should illuminate.
8.6. Increase input voltage to 132.0 Vac. Both RAISE and LOWER LEDs should
be extinguished.
8.7. Set the LDC Reactance to 0.0 V.
8.8. Decrease the input voltage to 120 Vac.
9.
Voltage Reduction
9.1. Set Voltage Reduction Step #1 to 2.5% (default setting).
9.2. Close S
5
to enable Voltage Reduction Step #1. The LOWER LED should
illuminate.
9.3. Decrease the voltage to 117.0 Vac. The LOWER LED should be extinguished.
9.4. Open S
5
and decrease the input voltage to 120.0 V.
9.5. Set Voltage Reduction Step #2 to 5% (default setting).
1VAC388793-MB A
Section 9
Testing
TCC300
577
User Manual
Summary of Contents for TCC300
Page 1: ...Digital Tapchanger Control TCC300 User Manual ...
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