This client requested a oil immersed transformer for their factory and provided the specific model numbers for the transformer and cables, asking us to develop a solution and supply a complete bill of materials for the pole-mounted substation.
We immediately proceeded with the design and the selection of components and auxiliary materials; following the client’s approval, we finalized the shipment of the complete equipment package.
Below is a detailed list of the main materials:
30KV HV side
1 Drop out fuse  RW5-35/100A
2 HV Isolation switch  GW5-40.5W/630
3 Zinc oxide arrester  HY5WZ-51/134
4 Auxiliary materials
0.4KV LV side
1 LV Outdoor Isolation switch   JDW2-500V/630A 3pcs/set
2 MCCBÂ Â DCM1-630L/3300 630A
3 MCCBÂ Â DCM1-250M/3300 250A
4 Multi-function instrument  PD194E-9SY (LCD tube type)
5 Indicator Lights  (ND16-22A/2 AC/DC220V)
6 CTÂ Â BH-0.66 40 600/5 0.5 0.5 grade 1turn
7 MCBÂ Â DZ47-60/4P D40A
8 Surge protector  DCP-40kA 4P
9 Copper busbar  TMY-40*5
10 Auxiliary materials
11 Cabinet Outer enclosure Stainless Steel(thickness 6mm)
Auxiliary Materials
1 Pin insulator
2 Concrete pole ⊘190
3 Angle <63*6*850
4 Hoop ⊘16*670
5 Angle <63*6*1700
6 Crossarm for Drop-out fuse <63*6*2200
7 Crossarm for lightning arrester<63*6*2200
8 LV cable 2*185mm², Aluminum
9 LV switch bracket
10 Transformer double pole support frame
11 Chassis DP-6
12 Complete grounding device 2.5m ground
13 Lightning arrester grounding -40*4
14 Transformer housing grounding -40*4
15 LV integrated switchboard grounding -40*4
16 Terminals DTL185
17 Terminals DTL70
18 Terminal clamp
