Product Features
Products
——
CGH2000 Series Integrated Microcomputer Protection Device
CGH2000 series integrated microcomputer protection device is the latest application of electronic technology, computer technology, power automation technology, communication technology as one of the new generation of substation automation products.
Classification:
Key words:
CGH2000 Series Integrated Microcomputer Protection Device
Related Annexes:
immediate consultation
Product Description
CGH2000 series integrated microcomputer protection device is the latest application of electronic technology, computer technology, power automation technology, communication technology as one of the new generation of substation automation products. It has protection, measurement, control, alarm, communication and other functions. It is the core protection and monitoring component of 10kV/6kV intelligent switch cabinet. YZ320L series is a comprehensive microcomputer protection device specially developed for 10kV/6kV voltage level lines and main equipment, with stable performance, simple use and maintenance, strong anti-interference ability and high cost performance. Because of its small size and simple wiring, it is especially suitable for installation on switch cabinet or ring network cabinet.
Friendly man-machine interface, LCD full Chinese display, can display the wiring diagram, measurement, alarm and other information.
With high reliability. The components use industrial-grade CMOS chips, and electromagnetic compatibility is generally considered in the chassis design, power supply design, and circuit design, and has strong anti-interference ability.
Powerful remote device management function, through the upper computer can realize remote control, remote signaling, remote adjustment, telemetry and other functions.
With event recording function. 30 SOE records can be saved at the same time, and the occurrence time, type and action value of the event can be recorded. And has a power-down does not lose function.
Perfect self-test system, including the detection of RAM, FLASH, fixed value and the normal value of the measurement channel coefficient.
The device has high cost performance and small size, and is especially suitable for decentralized installation on the switch cabinet ring network cabinet.
The device is suitable for 10kV and 6kV protection.
The models and configurations of CGH2000 series products are detailed in Table 1
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Functional configuration
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CGH2000 (divided into 9 units)
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XL
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CB
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JXZT
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JXZF
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MFZT
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DD
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DR
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PT
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PTB
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quick-break
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●
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●
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●
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●
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●
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●
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●
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Time limited quick break
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●
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●
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●
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●
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●
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||||
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Timed overcurrent
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●
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●
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●
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●
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●
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●
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●
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||
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inverse-time overcurrent
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●
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●
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●
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●
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●
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●
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Low voltage protection
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●
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●
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●
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●
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Overvoltage protection
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●
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●
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temperature protection
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●
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●
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gas protection
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●
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Zero sequence overcurrent
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●
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●
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●
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●
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●
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●
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●
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Zero sequence overvoltage protection
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●
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●
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●
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●
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●
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●
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overload
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●
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●
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●
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PT disconnection alarm
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●
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●
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●
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Spring not stored energy alarm
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●
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●
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●
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●
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●
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●
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●
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Control circuit disconnection alarm
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●
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●
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●
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●
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●
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●
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●
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Device self check alarm
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●
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●
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●
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●
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●
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●
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●
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●
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●
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Incoming self recovery
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●
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Incoming backup self recovery
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●
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Mother and branch backup self recovery
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●
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Negative charging overcurrent
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●
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ufls
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●
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Earth fault alarm
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●
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●
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PT switching
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●
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PT parallel
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●
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I section busbar PT disconnection alarm
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●
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I section bus grounding alarm
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●
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I section bus overvoltage alarm
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●
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Low voltage alarm of section I busbar
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●
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Section II bus PT disconnection alarm
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●
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Section II bus grounding alarm
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●
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Section II bus overvoltage alarm
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●
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Low voltage alarm of section II busbar
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●
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Three phase one shot reclosure
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●
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Post acceleration jump
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●
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Number of voltage channels
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4
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4
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4
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6
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6
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4
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4
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4
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8
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Number of current channels
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4
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4
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4
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4
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4
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4
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4
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Number of inputs
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12
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12
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12
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12
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12
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12
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12
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12
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12
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Number of output quantities
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6
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6
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6
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6
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6
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6
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6
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5
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5
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Serial port (RS485 communication)
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●
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●
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●
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●
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●
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●
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●
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●
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●
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Ethernet port (Ethernet communication)
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USB port
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●
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●
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●
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●
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●
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●
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●
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●
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●
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anti-pumping
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●
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●
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●
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●
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●
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●
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●
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Address: 601, Block E, Tsinghua Science Park, Science and Technology 2nd Road, High-tech Zone, Xi 'an City, Shaanxi Province