On-Load Tap Changer
AssemblySwitches HV winding taps under load to regulate output voltage. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
On-Load Tap Changer parts and their functions
6 top-level parts · 100 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Diverter Switch 3 parts | 1× | Make-before-break diverter |
| 2 | Tap Selector 3 parts | 1× | Tap selector contacts |
| 3 | Regulating Tap Winding | 1× | Regulating tap winding |
| 4 | Motor Drive Unit 6 parts | 1× | Motor drive mechanism |
| 5 | OLTC Oil Compartment | 1× | Isolated oil compartment |
| 6 | Transition Resistor | 4× | Switching transition resistors |
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Bill of materials for On-Load Tap Changer
6 top-level lines · 22 rows shown · 100 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Diverter Switch 3 parts | power-transformer-large-diverter-switch | 1× | 1 | 24 | assembly |
| 1.1 | Diverter Main Contact | power-transformer-large-diverter-contact | 12× | 12 | · | part |
| 1.2 | Coil Spring | coil-spring | 6× | 6 | · | part |
| 1.3 | Arcing Contact Tip | power-transformer-large-arcing-contact | 6× | 6 | · | part |
| 2 | Tap Selector 3 parts | power-transformer-large-tap-selector | 1× | 1 | 36 | assembly |
| 2.1 | Selector Contact | power-transformer-large-selector-contact | 34× | 34 | · | part |
| 2.2 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 2.3 | Insulating Drive Shaft | power-transformer-large-insulating-shaft | 1× | 1 | · | part |
| 3 | Regulating Tap Winding | power-transformer-large-tap-winding | 1× | 1 | · | part |
| 4 | Motor Drive Unit 6 parts | power-transformer-large-motor-drive | 1× | 1 | 34 | assembly |
| 4.1 | Servo Motor 4 parts | servo-motor | 1× | 1 | 24 | assembly |
| 4.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 4.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.1.3 | Encoder | encoder | 1× | 1 | · | part |
| 4.1.4 | Motor Housing | motor-housing | 1× | 1 | · | part |
| 4.2 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 4.3 | Tap Position Indicator | power-transformer-large-position-indicator | 1× | 1 | · | part |
| 4.4 | Operations Counter | power-transformer-large-step-counter | 1× | 1 | · | part |
| 4.5 | Microcontroller | mcu | 1× | 1 | · | part |
| 4.6 | Relay | relay | 6× | 6 | · | part |
| 5 | OLTC Oil Compartment | power-transformer-large-oltc-oil-compartment | 1× | 1 | · | part |
| 6 | Transition Resistor | power-transformer-large-transition-resistor | 4× | 4 | · | part |
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Where the on-load tap changer is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
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| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |