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Discussion History

Protection & Monitoring

Assembly

Gas, pressure and temperature devices interfaced to the train control and monitoring system. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Protection & Monitoring parts and their functions

7 top-level parts · 90 parts in total · full bill of materials below
Protection & Monitoring parts diagram: 1 buchholz relay, 2 pressure relief device, 3 sudden-pressure relay, 4 winding temperature sensor, 5 fluid temperature sensor, 6 pressure sensor, 7 monitoring board. 90 parts in 7 top-level items.
Protection & 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× Gas-actuated Buchholz relay
2 Pressure Relief Device 1× Pressure-relief device
3 Sudden-Pressure Relay 1× Sudden-pressure relay
4 Winding Temperature Sensor 1× Winding temperature sensor
5 Fluid Temperature Sensor 1× Fluid temperature sensor
6 Pressure Sensor 2× Tank pressure transducers
7 Monitoring Board 4 parts 1× Monitoring board with train-bus interface

3D model

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Build & assembly graph

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

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Bill of materials for Protection & Monitoring

7 top-level lines · 11 rows shown · 90 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Buchholz Relay traction-transformer-buchholz-relay 1× 1 · part
2 Pressure Relief Device traction-transformer-pressure-relief 1× 1 · part
3 Sudden-Pressure Relay traction-transformer-sudden-pressure-relay 1× 1 · part
4 Winding Temperature Sensor traction-transformer-wti 1× 1 · part
5 Fluid Temperature Sensor traction-transformer-oti 1× 1 · part
6 Pressure Sensor pressure-sensor 2× 2 · part
7 Monitoring Board 4 parts traction-transformer-monitor-board 1× 1 83 assembly
7.1 Bare PCB pcb-bare 1× 1 · part
7.2 Microcontroller mcu 1× 1 · part
7.3 CAN Transceiver can-transceiver 1× 1 · part
7.4 SMD Passive (R/C/L) smd-passives 80× 80 · part

Where the protection & monitoring is used

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

Used in 1 assembly

Traction 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