Xu Ji FCK-832A microcomputer measurement and control device
FCK-820 series microcomputer measurement and control device is mainly used in 66kV and below various voltage grade substations, and is the interval measurement and control unit of CBZ-8000 substation automation system.The device realizes the measurement, recording, monitoring, control and other functions completely in accordance with the interval unit, which can meet the requirements of the substation integrated automation system.
Xu Ji FCK-832A microcomputer measurement and control device
1.2 Technical characteristics
Main characteristics of the device are as follows:
The l uses a 32-bit high-performance floating-point DSP digital signal processor and a 16-bit AD converter chip to fully ensure the sampling accuracy and data operation accuracy of the device.
The l switch quantity input adopts DC 220V / 110V photoelectric isolation input to meet the requirements of the user system design.
The l adopts multi-layer printed circuit board and SMT surface mounting technology, the circuit is strong and weak current complete separation, improve the anti-interference ability.
The l-chassis structure adopts the whole panel, fully closed structure, plug-in rear plug, the terminal directly out, reduce the multiple connections of the loop, improve the reliability of the device, and facilitate debugging and maintenance.Use a 19 / 3in6U case to save space.
The l man-machine interface uses 128x64 dot display, truly graphical desktop operation, vivid image, intuitive display and convenient operation.
The l software kernel adopts the international mature embedded real-time multi-task operating system, the real-time and reliability of the device are greatly guaranteed, and the software upgrade is more convenient.
l supports RS232, RS485 and other communication interfaces, adopts international general standard regulations (IEC60870-5-103), flexible configuration, fully meet the requirements of different users, and convenient interconnection with products of different manufacturers.
Xu Ji FCK-832A microcomputer measurement and control device
1.3 Functional configuration
FCK-820 series microcomputer measurement and control device can choose the following different models according to the different functional configuration:
1.3.1 Acquisition, display and delivery of simulated quantities
1) FCK-821 microcomputer measurement & control device:
Measurement and control objects are two circuit breaker switch units in the substation, whose functions and configuration are as follows:
AC current input: # 6 circuit (IA1, IB1, IC1, IA2, IB2, IC2);
AC voltage input: 6 (UA1, UB1, UC1, UA2, UB2, UC2) + 1 (3U01);
Direct flow input: 2 roads;
To realize the voltage U, current I, active power P, reactive power Q, and power factor of the two complete AC power measurement points
Measurement and calculation of AC power frequency power such as COS, frequency f and electrical degree.
It can realize the measurement and calculation of DC voltage and temperature.
Note: Other quantities displayed in the unit browse menu, such as: 3I01,3I02,3U02, are calculated quantities (produced by the unit).
Xu Ji FCK-832A microcomputer measurement and control device
The measurement & control objects are five or four circuit breaker switch units of a bus section of the substation. The functions and configuration are as follows:
AC current input: 10 circuit (IA1, IC1, IA2, IC2, IA3, IC3, IA4, IC4, IA5, IC5)
Or IA1, IC1, IA2, IC2, IA3, IC3, IA4, IC4, IB3, IB4);
AC voltage input: 3 channels (UA, UB, UC);
Direct flow input: 2 roads;
The measurement and calculation of AC power frequency power, such as voltage U, current I, active power P, reactive power Q, power factor COS, frequency f and power degree of five or four complete AC power measurement points of a bus line, can be realized.
It can realize the measurement and calculation of DC voltage and temperature.
1.3.2 Acquisition, display and delivery of status quantity:
Status quantity input: 27 roads;
State amount input is DC220V / 110V empty contact input, photoelectric isolation inside the device, can realize state amount change remote communication and SOE event recording, can also be used as gear entry.The state quantity input and jitter elimination time can be set.
1.3.3 Switch volume output:
Switch volume output: 10 road;
Remote control and remote control commands can be received and executed to realize the manual or remote control switch / closing / voltage regulating operation of 10 control objects, relay empty contact output, and exit action holding time can be set.
1.3.4 Acquisition, display and delivery of pulse quantity:
Pulse quantity input: 4 channels;
The pulse volume input is the DC24V empty contact input, and the photoelectric isolation inside the device can record the pulse degree count.
1.3.5GPS Time:
GPS timing pulse input: 1 way;
The GPS timing pulse input is DC24V empty contact input, and the photoelectric isolation inside the device can realize the GPS hardware timing function.
Xu Ji FCK-821A microcomputer measurement and control device
The FCK-820 series microcomputer measurement and control device adopts the standard 1 / 3-wide 19in6U chassis, with an integral panel and a fully enclosed chassis.The plug-in adopts the rear plug and pull mode, and the terminal is directly out.
FCK-820 series microcomputer measurement and control device consists of four functional plug-ins: AC transformation plug-in, CPU plug-in, plug-in, power plug-in.There are 5 plug-ins in the chassis, from left to right for the power plug-in, open plug-in, empty plug-in, CPU plug-in, AC transformation plug-in.
Xu Ji FCK-832A microcomputer measurement and control device
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