53
Operation description
Required tool
Approximate timing
Operation check
Turn on the CM auxiliary power supply
then check the following:
- The
“
Power“ LED must light up
immediately;
- The
“
Ready“ LED must light up
continuously within 15 s after
switching on;
- The
“
Malfunction“ LED must not
light up;
- The
“
Ready“ relay contact must close
within 15 s.;
- The
“
Malfunction“ relay contact
must not change its state;
- The “ISM main contact position”
relay contact must not change its
state;
- ISM main contacts must not change
their state (ISM shall remain open).
Visual check, no tool is required
1 minute
Apply close command to the CM then
check the following:
- The
“
Power“ LED must light
continuously;
- The
“
Ready“ LED must light
continuously;
- The
“
Malfunction“ LED must not
light up;
- The
“
Ready“ relay contact must not
change its state;
- The
“
Malfunction“ relay contact
must not change its state;
- The “ISM main contact position”
relay contact must change its state;
- ISM main contacts must change their
state (ISM shall be closed).
Visual check, no tool is required
1 minute
Apply trip command to the CM then
check the following:
- The “Power“ LED must light conti-
nuously;
- The “Ready“ LED must light continu-
ously;
- The “Malfunction“ LED must not
light up;
- The “Ready“ relay contact must not
change its state;
- The “Malfunction“ relay contact
must not change its state;
- The “ISM main contact position”
relay contact must change its state;
- ISM main contacts must change their
state (ISM shall be open).
Visual check, no tool is required
1 minute
Summary of Contents for TAVRIDA ELECTRIC VCB15 LD
Page 1: ...VCB Vacuum Circuit Breaker 17 5kV 31 5kA 2000A 24kV 16kA 800A User Guide...
Page 3: ...1 Product description...
Page 7: ...2 Nameplates and seals...
Page 11: ...3 Product handling...
Page 23: ...4 Installation...
Page 50: ...5 Commissioning...
Page 57: ...6 Operation...
Page 61: ...7 Maintenance and troubleshooting...
Page 66: ...8 Disposal...
Page 68: ...Appendix 1 Product range...
Page 71: ...Appendix 2 Overall drawings...
Page 74: ...75 ISM15_LD_3 Weight 13 kg ISM15_LD_6 PCD 133 mm Weight 55 kg...
Page 81: ...82 ISM25_LD_2 1 PCD 150 mm Weight 35 kg ISM25_LD_2 2 PCD 150 mm Weight 37 kg...
Page 85: ...Appendix 3 Secondary schemes...
Page 86: ...87...
Page 87: ...88...
Page 88: ...89...
Page 89: ...90...
Page 90: ...91...
Page 91: ...92...
Page 92: ...93...