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Discussion History

Protection and Monitoring

Assembly

Buchholz, pressure relief, sudden-pressure, and temperature devices with online monitoring suited to a continuously loaded converter transformer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Protection and Monitoring parts and their functions

8 top-level parts · 10 parts in total · full bill of materials below
Protection and Monitoring parts diagram: 1 buchholz relay, 2 pressure-relief device, 3 sudden-pressure relay, 4 winding temperature indicator, 5 top-oil temperature indicator, 6 pressure sensor, 7 online DGA monitor, 8 bushing condition monitor. 10 parts in 8 top-level items.
Protection and Monitoring parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Buchholz Relay 1× Buchholz relay
2 Pressure-Relief Device 1× Pressure-relief device
3 Sudden-Pressure Relay 1× Sudden-pressure relay
4 Winding Temperature Indicator 2× Winding temperature indicator
5 Top-Oil Temperature Indicator 1× Top-oil temperature indicator
6 Pressure Sensor 2× Oil pressure sensor
7 Online DGA Monitor 1× Online dissolved-gas monitor
8 Bushing Condition Monitor 1× Bushing condition monitor

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Protection and Monitoring

8 top-level lines · 8 rows shown · 10 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Buchholz Relay converter-transformer-buchholz 1× 1 · part
2 Pressure-Relief Device converter-transformer-pressure-relief 1× 1 · part
3 Sudden-Pressure Relay converter-transformer-sudden-pressure-relay 1× 1 · part
4 Winding Temperature Indicator converter-transformer-winding-temp 2× 2 · part
5 Top-Oil Temperature Indicator converter-transformer-oil-temp 1× 1 · part
6 Pressure Sensor pressure-sensor 2× 2 · part
7 Online DGA Monitor converter-transformer-dga-monitor 1× 1 · part
8 Bushing Condition Monitor converter-transformer-bushing-monitor 1× 1 · part

Where the protection and monitoring is used

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

Used in 1 assembly

HVDC Converter 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 $3–$400. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳BOE
boe.com ↗ 		Beijing, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Tianma
tianma.com ↗ 		Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳TCL CSOT
szcsot.com ↗ 		Shenzhen, CN Display panels 1,000 pcs 6–10 wks
🇨🇳Truly Opto
truly.net ↗ 		Shanwei, CN Displays & camera modules 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks