PRS-778 Transformer Protection

Manufacturer :

CYG SUNRI CO.,LTD.

Warehouse entry time :

2024-07-23

Country :

China

Product description :

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.

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.