ZK-SN/TPM

Technical parameters, electrical diagram, downloads, a description of the type of MV cable connection ZK-SN/TPM-3 production ZPUE S.A.

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zk sn widokThe concrete container cable connection with ZK-SN/TPM-3(4, 5) type external operation is designed for a free-standing setting. It is also adapted to cooperate with a cable or medium voltage cable-overhead network of a ring or radial system.

Cable connection construction

The ZK-SN/ TPM- 3 (4, 5) container is com-posed of two monolithic elements: main body – made from reinforced C30/ 37 class concrete, roof - made from reinforced C30/ 37 class concrete.
The central element of the cable connection is an MV switchgear in TPM type SF6 isolation placed inside the container. The switchgear is operated from the outside after opening the metal door. The fundament part of the cable connection is made from concrete with cable ducts (located at the bottom of the MV switchgear). The switchgear can be combined with heads from all leading manufacturers (CELLPACK, Euromold, Raychem, F&G, 3M, ABB).

TECHNICAL DATA

MV switchgear specifications 25 kV
Rated power frequency withstand voltage 50/60 kV
Rated lightning impulse withstand voltage 1,2/50 µs 125/145 kV
Primary busbars and feeder bays rated continuous current 630 A
Transformer bay rated continuous current 250 A
Rated short-time withstand current 20 kA (1s)
Rated peak withstand current 50 kA
Rated short-circuit current 630 A

Dimensions of the connector and possible systems used MV switchgear

  ZK-SN/TPM-3 ZK-SN/TPM-4 ZK-SN/TPM-5
Length 1 500 mm 1 800 mm 2 400 mm
Width 1 100 mm 1 100 mm 1 160 mm
Height (from the surface) 1 800 mm 1 800 mm 1 900 mm
Roof outline 1 650 mm x 1 250 mm 1 950 mmx 1 250 mm 2 600 mm x 1 360 mm
Total weight 2 900 kg 3 400 kg 5 000 kg
MV switchgear maximum dimension
(config-uration – see: MV part)
1 250 mm x 950 mm 1 600 mm x 950 mm 2 050 mmm 950 mm

Top view, front elevation and the diagram of standard connectors type ZK-SN

General view of the connector type ZK-SN/TPM-3
General view of the connector type ZK-SN/TPM
Electrical diagram of the connector type ZK-SN/TPM-3
Electrical diagram of the connector type ZK-SN/TPM
Top view of the connector type ZK-SN/TPM-4
General view of the connector type ZK-SN/TPM-4
Electrical diagram of the connector type ZK-SN/TPM-4
Schemat elektryczny złącza kablowego typu ZK-SN/TPM-4
Top view of the connector type ZK-SN/TPM-5
Widok z góry złącza kablowego typu ZK-SN/TPM-5
Electrical diagram of the connector type ZK-SN/TPM-5
Schemat elektryczny złącza kablowego typu ZK-SN/TPM-5

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MV cable connection in concrete container with SF6 gas insulated switchgear

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