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Discussion History

Zig-Zag Winding

Assembly

Interconnected-star winding whose two half-windings on different limbs cancel for normal current but offer low impedance to zero-sequence fault current. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Zig-Zag Winding parts and their functions

7 top-level parts · 40 parts in total · full bill of materials below
Zig-Zag Winding parts diagram: 1 winding copper conductor, 2 zig-zag half-winding, 3 interconnection lead, 4 winding support cylinder, 5 radial spacer block, 6 winding clamp ring, 7 auxiliary secondary winding. 40 parts in 7 top-level items.
Zig-Zag 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 Winding Copper Conductor 1× Paper-insulated copper conductor
2 Zig-Zag Half-Winding 2× Half-winding wound on adjacent limbs
3 Interconnection Lead 1× Cross-connection between limbs
4 Winding Support Cylinder 1× Pressboard support cylinder
5 Radial Spacer Block 32× Pressboard radial spacer
6 Winding Clamp Ring 2× Winding clamp ring resisting fault force
7 Auxiliary Secondary Winding 1× Optional auxiliary secondary for station load

3D model

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Build & assembly graph

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Bill of materials for Zig-Zag Winding

7 top-level lines · 7 rows shown · 40 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Winding Copper Conductor grounding-transformer-winding-conductor 1× 1 · part
2 Zig-Zag Half-Winding grounding-transformer-half-winding 2× 2 · part
3 Interconnection Lead grounding-transformer-interconnection-lead 1× 1 · part
4 Winding Support Cylinder grounding-transformer-winding-cylinder 1× 1 · part
5 Radial Spacer Block grounding-transformer-spacer-block 32× 32 · part
6 Winding Clamp Ring grounding-transformer-clamp-ring 2× 2 · part
7 Auxiliary Secondary Winding grounding-transformer-aux-winding 1× 1 · part

Where the zig-zag winding is used

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

Used in 1 assembly

Grounding 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