PRS-778 is a numerical transformer protection intended for protecting and monitoring various transform- er types of various voltage level,ranging from 1000kVto 110kV.PRS-778 provides fast and selective protection,monitoring and control for two and three-winding transformers,autotransformers,step-up trans formers and generator-transformer block units,phase shifting transformers,special railway transformers and shunt reactors.
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PRS-778 Transformer Protection
Negotiable
China
No.13, Keji North 1st Road, North Area of Hi-Tech Industrial Park,Nanshan District, Shenzhen 518057, China
+86 755-33018888
sunsy@cyg.com
Product Introduction
parameter
| ltem | Parameter |
|---|---|
| Performance | 32-bit high performance dual-core processor,internal high speed bus and intelligent I/O ports |
| Hardware | Modularized hardware design,flexibly configurable,easy extension |
| Interface | The human machine interface(HMI)with a small control module (a 320×240-dot LCD,a 16-key keypad and 21 LED indicators) |
| Communication | Ethernet network,RS-485 serial ports.Communication protocol optional: IEC61850,IEC60870-5-103,DNP3.0 or ModBus. |
| Analog | Support the protocol IEC60044-8,IEC61850-9-2 and GOOSE,constantly measures and calculates voltage,current,power and frequency. |
| Recording | Fault and disturbance waves,operation reports,supervision,control opera- tion records and time tagged sequence of events. |
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