Microcomputer protection (and measurement and control) device
WXH-8G and PMC-2000 series microcomputer protection measurement and control devices are the secondary upgrade products of our company's WXH-8B series microcomputer protection devices. Based on the introduction of advanced technologies at home and abroad, this product summarizes many years of design experience in substation automation design, and combines with the needs of substation automation development direction, adopts advanced software and hardware technology to design 10(6)KV switch station, distribution station, switching station and box-type transformer protection monitoring intelligent devices specially for end users. It can be seamlessly connected with the company's CBZ-400 substation automation system.
This protection and measurement and control device is mainly applicable to the comprehensive protection and measurement and control of incoming lines, feeders, transformers for plant stations, bus couplers, capacitors, standby switches, PT switching, etc. of 10(6)-35KV systems in substations, switching stations and distribution stations. The functions can be selected according to needs (or customized according to user requirements).
- Product Description
- Technical features
- Main technical parameters
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- Commodity name: Microcomputer protection (and measurement and control) device
WXH-8G and PMC-2000 series microcomputer protection measurement and control devices are the secondary upgrade products of our company's WXH-8B series microcomputer protection devices. Based on the introduction of advanced technologies at home and abroad, this product summarizes many years of design experience in substation automation design, and combines with the needs of substation automation development direction, adopts advanced software and hardware technology to design 10(6)KV switch station, distribution station, switching station and box-type transformer protection monitoring intelligent devices specially for end users. It can be seamlessly connected with the company's CBZ-400 substation automation system.
This protection and measurement and control device is mainly applicable to the comprehensive protection and measurement and control of incoming lines, feeders, transformers for plant stations, bus couplers, capacitors, standby switches, PT switching, etc. of 10(6)-35KV systems in substations, switching stations and distribution stations. The functions can be selected according to needs (or customized according to user requirements).
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Technical terms Technical parameters Working environment Craft temperature:-IOCO ~ 55 7; Extential temperature:-40 7 ~ 85 7; Relative humidity: ≤ 95%; atmospheric pressure: 80 ~ 110kPa; Working power supply Voltage range: 85~264V(AC or DC); Normal power consumption: ≤ 5W; AC current loop Rated current: 5A (or 1A); Power consumption of current loop:<0.3VA/phase Overload capacity: 2 times the rated current continuous work; 10 times the rated current allowed to work 10s;40 times the rated current allowed to work 1s; AC voltage circuit Rated voltage: 10OV (or 57.7V); Power consumption of voltage circuit:<0.3VA/phase Overload capacity: 1.2 times rated voltage continuous work; 1.4 times rated voltage allowed to work for 10s; Active switching input circuit Control power supply voltage: DC220V (or DC1IoV); power consumption: ≤ 1W Passive switch input circuit Control power supply voltage: DC30V (provided by the internal power supply of the device) relay output circuit Output contact capacity: AC250V/10A Communication Hardware interface: RS485; Accuracy Protection measurement accuracy: ± 3%; Time measurement accuracy: ± 1.5; Monitoring measurement accuracy: ± 0.5;
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No. 41, Huli Industrial Park, Meixi Road, Huandong Sea Area, Tong 'an District, Xiamen City
