Huawei JUPITER-3000K-H1 Smart User Manual page 78

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual
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Ring Main Units in DVC/DCV Mode (CGM Series)
STSs are interlocked and should be configured based on the STS installation
sequence.
Step 1 Check the status of STS 3 and configure interlocking between STSs.
1.
2.
3.
Step 2 Check the status of STS 2 and configure interlocking between STSs.
1.
2.
3.
Step 3 Check the status of STS 1 and configure interlocking between STSs.
Issue 02 (2023-09-30)
NO TE
● The earthing switch of Line 1 can be operated only when the key is inserted. The key
can be pulled out only after the earthing switch is turned on.
● If the earthing switch of Line 1 does not have the interlocking function, store the
cabinet G1 cable room door key of STS 1 properly.
CA UTION
Check cabinet G3, turn on the earthing switch, turn off the load switch, open
the cable room door, check the cable connections and sealing, and then close
the cable room door. Pull out the key from the earthing switch, mark the STS
and ring main unit numbers on the key (for example, the key to the cabinet
G3 earthing switch of STS 3), and store the key properly.
Check cabinet G2, turn on the earthing switch, turn off the disconnector, turn
on the circuit breaker, open the cable room door, check the cable connections,
lightning arrester, and cable sealing, and then close the cable room door.
Check cabinet G1, open the cable room door, check the cable connections and
sealing, and then close the cable room door. Pull out the key from the cable
room door, mark the STS and ring main unit numbers on the key (for
example, the key to the cabinet G1 cable room door of STS 3), and take this
key to STS 2.
Check cabinet G3, turn on the earthing switch, turn off the load switch, open
the cable room door, check the cable connections and sealing, and then close
the cable room door. Pull out the key from the earthing switch, mark the STS
and ring main unit numbers on the key (for example, the key to the cabinet
G3 earthing switch of STS 2). Put this key and the key to the cabinet G1 cable
room door of STS 3 in one chain to complete the interlocking configuration
between STS 2 and STS 3, and insert the key into the lock hole of the earthing
switch.
Check cabinet G2, turn on the earthing switch, turn off the disconnector, turn
on the circuit breaker, open the cable room door, check the cable connections,
lightning arrester, and cable sealing, and then close the cable room door.
Check cabinet G1, open the cable room door, check the cable connections and
sealing, and then close the cable room door. Pull out the key from the cable
room door, mark the STS and ring main unit numbers on the key (for
example, the key to the cabinet G1 cable room door of STS 2), and take this
key to STS 1.
Copyright © Huawei Technologies Co., Ltd.
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