NKE digital substation spacing layer two device 61850 digital microcomputer integrated protection
NKE digital substation spacing layer two device 61850 digital microcomputer integrated protection includes:
NKE-81 digital line protection device
NKE-82 digital transformer backup protection device
NKE-83/NKE-84 digital transformer differential protection device
NKE-85 digital capacitor protection device
NKE-86 digital standby power supply automatic switching device etc.
The device has the advantages of uniform hardware platform, various plug-in uses the modular design, can be flexibly configured according to the requirements of engineering. The device has the following characteristics:
(1) according to IEC 61850 (DL/T860) standard unified modeling, meet the demand of interoperability;
(2) with self description ability, system of the equipment can be automatic mutual recognition, plug and play;
(3) of high performance, high reliability, large resources of the hardware system, using DSP, ARM9, ARM7 combined structure of 3 processors, each processor division of labor cooperation, real-time, reliability is improved greatly;
(4) with the station control of Dual Ethernet MMS interface layer device communication;
(5) and consolidated unit, process layer of the intelligent circuit breaker communication, the maximum 8 high-speed optical fiber Ethernet interface and SV interface and GOOSE interface are independent of each other;
(6) the sampling value network and GOOSE network to separate network, ensure real-time severally, reliability;
(7) through the GOOSE network device release locking information of different intervals between each other;
(8) into the plug-in, plug-ins, open operation circuit can be configured flexibly, maximum 16 into the channel, 19 road open channel;
(9) can receive IRIG-B light for every standard;
(10) large liquid crystal display, user-friendly operation interface, can display a wiring diagram;
(11) can be set up 10 sets of protection setting value, operation of constant value can be set to switch between 10 fixed value, with local and remote setting function, according to the two setting, can also according to a fixed value setting;
(12) the protection / transparent control action process, each device can store the last 32 SOE; records recently recorded data of 10 failures, 10 times to start the 256 event record; record new;
(13) hardware self-test function of intelligent, timing of communication link, supply voltage, RAM, ROM, EEPROM, switch input / output circuit self checking, such as abnormal, timely alarm.

 

 

NKE数字化变电站间隔层二次设备61850数字化综合微机保护