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Discussion History

LV Secondary Winding

Assembly

Few-turn very-high-current secondary, often a stack of parallel copper sheets or tubes carrying tens of kiloamps to the electrodes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

LV Secondary Winding parts and their functions

7 top-level parts · 43 parts in total · full bill of materials below
LV Secondary Winding parts diagram: 1 LV copper sheet turn, 2 water-cooled LV conductor, 3 LV cooling duct, 4 LV clamp ring, 5 flexible copper link, 6 winding support cylinder, 7 radial spacer block. 43 parts in 7 top-level items.
LV Secondary Winding parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 LV Copper Sheet Turn 1× Copper sheet/foil turns paralleled for high current
2 Water-Cooled LV Conductor 1× Water-cooled hollow copper conductor
3 LV Cooling Duct 8× Oil duct between conductor layers
4 LV Clamp Ring 2× Heavy clamp ring resisting radial short-circuit force
5 Flexible Copper Link 6× Flexible copper link to the secondary bus
6 Winding Support Cylinder 1× Shared pressboard support cylinder
7 Radial Spacer Block 24× Shared pressboard radial spacer

3D model

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Build & assembly graph

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Bill of materials for LV Secondary Winding

7 top-level lines · 7 rows shown · 43 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 LV Copper Sheet Turn furnace-transformer-lv-foil 1× 1 · part
2 Water-Cooled LV Conductor furnace-transformer-lv-tube-conductor 1× 1 · part
3 LV Cooling Duct furnace-transformer-lv-cooling-duct 8× 8 · part
4 LV Clamp Ring furnace-transformer-lv-clamp-ring 2× 2 · part
5 Flexible Copper Link furnace-transformer-lv-flexible-link 6× 6 · part
6 Winding Support Cylinder furnace-transformer-winding-cylinder 1× 1 · part
7 Radial Spacer Block furnace-transformer-spacer-block 24× 24 · part

Where the LV secondary winding is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Electric Arc Furnace Transformer

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗ 		Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗ 		Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗ 		Zhongshan, CN Electric motors 500 units 10–14 wks
🇸🇬Nidec (Singapore)
nidec.com ↗ 		Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗ 		Bengaluru, IN Automotive components 500 units 10–14 wks