Protection and Limiters

Assembly

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Limiter and protection relays keeping the machine within its capability curve.

Direct parts	6
Total parts	9
Used in	1 assembly
Class	Assembly

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Limiter and protection relays keeping the machine within its capability curve. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Protection and Limiters parts and their functions

6 top-level parts · 9 parts in total · full bill of materials below

Protection and Limiters parts diagram: 1 over-excitation limiter, 2 under-excitation limiter, 3 volts-per-hertz limiter, 4 loss-of-field relay, 5 power system stabilizer, 6 relay. 9 parts in 6 top-level items. — Protection and Limiters parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Over-excitation Limiter	1×	Over-excitation limiter relay protecting the field winding
2	Under-excitation Limiter	1×	Under-excitation limiter relay guarding stability
3	Volts-per-Hertz Limiter	1×	Volts-per-hertz limiter relay protecting against over-fluxing
4	Loss-of-Field Relay	1×	Loss-of-field protection relay
5	Power System Stabilizer	1×	Power system stabilizer module damping oscillations
6	Relay	4×	Auxiliary trip and annunciation relays

3D model

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Build & assembly graph

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Bill of materials for Protection and Limiters

6 top-level lines · 6 rows shown · 9 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Over-excitation Limiter	excitation-system-oel-relay	1×	1	·	part
2	Under-excitation Limiter	excitation-system-uel-relay	1×	1	·	part
3	Volts-per-Hertz Limiter	excitation-system-vhz-relay	1×	1	·	part
4	Loss-of-Field Relay	excitation-system-loss-field-relay	1×	1	·	part
5	Power System Stabilizer	excitation-system-pss-module	1×	1	·	part
6	Relay	relay	4×	4	·	part

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Where the protection and limiters is used

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

Power & Energy 1 Generator Excitation System

Used in 1 assembly

Generator Excitation System

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 (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