BOMwiki the bill-of-materials encyclopedia
30,441,948 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Active Part

Assembly

The magnetic core and the three-phase windings that do the energy transfer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Active Part parts and their functions

8 top-level parts · 637 parts in total · full bill of materials below
Active Part parts diagram: 1 magnetic core, 2 HV winding, 3 LV winding, 4 tertiary winding, 5 major insulation set, 6 core clamping frame, 7 core tie rod, 8 lead exit assembly. 637 parts in 8 top-level items.
Active Part parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Magnetic Core 4 parts 1× Laminated magnetic circuit
2 HV Winding 4 parts 3× One per phase
3 LV Winding 4 parts 3× One per phase
4 Tertiary Winding 3 parts 3× Delta-connected stabilising winding
5 Major Insulation Set 4 parts 1× Pressboard and paper insulation
6 Core Clamping Frame 2× Top and bottom clamping frames
7 Core Tie Rod 8× Through-bolts for core pressing
8 Lead Exit Assembly 3 parts 1× Internal connection leads

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Active Part

8 top-level lines · 30 rows shown · 637 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Magnetic Core 4 parts power-transformer-large-core 1× 1 16 assembly
1.1 CRGO Core Laminations power-transformer-large-core-lamination 1× 1 · part
1.2 Core Banding power-transformer-large-core-band 12× 12 · part
1.3 Core Clamping Channel power-transformer-large-core-channel 2× 2 · part
1.4 Core Earthing Strip power-transformer-large-core-ground-strip 1× 1 · part
2 HV Winding 4 parts power-transformer-large-hv-winding 3× 3 84 assembly
2.1 Paper-Covered Copper Conductor power-transformer-large-cu-conductor 1× 3 · part
2.2 Pressboard Disc Spacer power-transformer-large-disc-spacer 80× 240 · part
2.3 Winding Pressing Ring power-transformer-large-press-ring 2× 6 · part
2.4 Pressboard Cylinder power-transformer-large-winding-cylinder 1× 3 · part
3 LV Winding 4 parts power-transformer-large-lv-winding 3× 3 64 assembly
3.1 Paper-Covered Copper Conductor power-transformer-large-cu-conductor 1× 3 · part
3.2 Pressboard Disc Spacer power-transformer-large-disc-spacer 60× 180 · part
3.3 Winding Pressing Ring power-transformer-large-press-ring 2× 6 · part
3.4 Pressboard Cylinder power-transformer-large-winding-cylinder 1× 3 · part
4 Tertiary Winding 3 parts power-transformer-large-tertiary-winding 3× 3 32 assembly
4.1 Paper-Covered Copper Conductor power-transformer-large-cu-conductor 1× 3 · part
4.2 Pressboard Disc Spacer power-transformer-large-disc-spacer 30× 90 · part
4.3 Pressboard Cylinder power-transformer-large-winding-cylinder 1× 3 · part
5 Major Insulation Set 4 parts power-transformer-large-winding-insulation 1× 1 43 assembly
5.1 Pressboard Angle Ring power-transformer-large-angle-ring 12× 12 · part
5.2 End Insulation Block power-transformer-large-end-block 24× 24 · part
5.3 Electrostatic Shield Ring power-transformer-large-static-ring 6× 6 · part
5.4 Insulating Kraft Paper power-transformer-large-kraft-paper 1× 1 · part
6 Core Clamping Frame power-transformer-large-core-clamp 2× 2 · part
7 Core Tie Rod power-transformer-large-tie-rod 8× 8 · part
8 Lead Exit Assembly 3 parts power-transformer-large-lead-exit 1× 1 28 assembly
8.1 Lead Support Cleat power-transformer-large-lead-cleat 18× 18 · part
8.2 Flexible Copper Lead power-transformer-large-flexible-lead 9× 9 · part
8.3 Lead Insulation power-transformer-large-lead-insulation 1× 1 · part

Where the active part is used

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

Used in 1 assembly

Large Power 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 $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks