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Discussion History

HV Primary Winding

Assembly

Disc-wound high-voltage primary, typically 33 kV class, supplied through the regulating winding and tap changer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

HV Primary Winding parts and their functions

7 top-level parts · 47 parts in total · full bill of materials below
HV Primary Winding parts diagram: 1 HV copper conductor, 2 HV disc section, 3 regulating winding, 4 winding support cylinder, 5 radial spacer block, 6 winding end ring, 7 HV lead exit. 47 parts in 7 top-level items.
HV Primary 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 HV Copper Conductor 1× Paper-insulated transposed copper conductor
2 HV Disc Section 1× Continuous-disc coil section
3 Regulating Winding 1× Tapped regulating section for OLTC
4 Winding Support Cylinder 1× Pressboard support cylinder
5 Radial Spacer Block 40× Pressboard radial spacer setting oil ducts
6 Winding End Ring 2× Pressboard end ring distributing axial clamping
7 HV Lead Exit 1× Insulated lead from coil to bushing

3D model

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Build & assembly graph

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Bill of materials for HV Primary Winding

7 top-level lines · 7 rows shown · 47 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 HV Copper Conductor furnace-transformer-hv-conductor 1× 1 · part
2 HV Disc Section furnace-transformer-hv-disc 1× 1 · part
3 Regulating Winding furnace-transformer-regulating-winding 1× 1 · part
4 Winding Support Cylinder furnace-transformer-winding-cylinder 1× 1 · part
5 Radial Spacer Block furnace-transformer-spacer-block 40× 40 · part
6 Winding End Ring furnace-transformer-end-ring 2× 2 · part
7 HV Lead Exit furnace-transformer-lead-exit 1× 1 · part

Where the HV primary 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