HMPR-1010 series microcomputer protection and control device is suitable for the protection and control of the interval unit of voltage level 35kV and below. It has perfect protection, measurement, control, automatic switching of standby power supply and communication monitoring functions. It provides a complete solution for the protection and control of substations, power plants, high and low voltage power distribution and plant power systems, and can effectively guarantee the safe and stable operation of high and low voltage power grids and plant power systems. It can form an automation system with other protection and automation equipment and instruments through the communication interface. All devices can be installed in the panel or on the switch cabinet. It measures Ua, Ub, Uc, la, Ib, Ic, P, Q, cosφ, F, active electricity and reactive electricity.
Model meaning
Features
◇Adopt new high-integration single-chip microcomputer development platform, the bus does not leave the chip, and has good anti-interference performance.
◇Using unified hardware framework and software platform, the product consistency is good.
◇The device adopts a fully sealed aluminum alloy structure with strong anti-electrical interference ability.
◇The protection function configuration is flexible and complete, and various protection functions can be activated or deactivated through control words.
◇The analog input, switch input, power input and communication interface parts adopt anti-interference measures such as transformer isolation, photoelectric isolation and TVS protection, which makes the device have particularly strong anti-interference ability.
◇The device has a complete self-checking function. When it is found that the device is not working properly, it can reliably lock and protect the exit to ensure that the device does not operate malfunctioning.
◇Using a special clock chip, supported by a separate crystal oscillator and equipped with a backup battery, the clock can run correctly even after the device loses power, allowing the device to accurately record various fault information.
◇The device has three levels of watchdogs: external hardware watchdog, CPU hardware timer watchdog and software watchdog, to ensure that the device will not crash under any circumstances.
◇It has a high-speed photoelectrically isolated RS485 communication interface, which ensures stable and reliable communication and provides users with an open communication protocol to facilitate the realization of an integrated automation system.
◇The software in the device adopts modular design, has multiple redundancy measures, and has undergone long-term field operation tests. The program runs stably and reliably.
◇Adopting all-Chinese LCD display interface, multi-layer menu display, rich display information, friendly human-machine interface, and debugging work can be completed without complicated training.
◇Fault recording: record the fault waveforms of quick break, time-limited quick break, overcurrent, overvoltage and undervoltage.
Technical Parameters
1. Working environment conditions
◇Ambient temperature: -20℃~+65℃◇Relative humidity: 5h~95h
◇Atmospheric pressure: 86~106KPa
2. Main electrical technical parameters
◇Working power supply: AC/DC85~265V (please specify other voltages when ordering)
◇Allowable deviation ±20 Ripple factor is not more than 5%
◇AC current: Rated 5A or 1A (specify when ordering)
◇AC voltage: 57.7V or 100V (please specify when ordering)
◇Rated frequency: 50~60Hz
◇Power consumption: During normal operation, the DC circuit is not more than 5W; during protection action, it is not more than 10W
◇AC current loop: <1va>
◇AC voltage circuit: <0.5va>
◇Accurate working range: current 0.01In~20ln voltage: 0.4V~1.2Un
◇Frequency: 0.9Fn~1.1Fn Time: 0~100S
◇Protection part accuracy: fixed value accuracy: ≤±5%
◇Time accuracy: ≤±1 or setting time ±35ms
◇The whole set of action accuracy: ≤35ms◇Frequency accuracy: ≤0.01Hz
◇AC quantity accuracy: ≤±0.2??Active and reactive power accuracy: ≤±0.5%
◇Open input circuit: Input type: DC 24V, 5mA (provided internally by the device) or external active input (specify when ordering)
◇Number of photoelectric isolation inputs: 16
◇Output contact: output relay/signal relay contact (passive) can continuously connect AC250V/DC220V, 5A current (pure positive load)
◇Communication interface: 1 RS485 interface, 1 Ethernet interface (specify when ordering)
◇Communication protocol: Modbus protocol, other protocols please specify when ordering
3. Insulation resistance, dielectric strength and impulse voltage
◇Insulation resistance: ≥50MQ
◇Dielectric strength: 2kV, 50Hz, 1min
◇Impact voltage: 5kV, (1.2/50)μs
4. Vibration
◇Comply with the relevant provisions of 3.2 and 3.2.2 of IEC60225-21-1.
5. Impact
◇Comply with the relevant provisions of 4.2.1 and 4.2.2 of GB/T14537-1993.
6. Collision
◇Comply with the relevant provisions of 4.3 in GB/T14537-1993.
7. Anti-electromagnetic interference performance
◇Can withstand attenuated shock wave pulse interference test with frequency of 1MHz and 100KHz, voltage amplitude of 2500V in common mode and 1000V in differential mode.
◇Can withstand the electrostatic discharge test of IEC61000-4-2 standard level IV and test voltage 6kV.
◇Can withstand IEC61000-4-3 standard level III, interference field strength 10V/m radiated electromagnetic field interference test.
◇Can withstand the fast transient interference test of level IV of IEC61000-4-4 standard.
◇Can withstand the severe level III surge immunity test specified in GB/T14598.18-2007.
8. Overload capacity
◇2 times rated current: continuous operation
◇10 times rated current: 16S
◇20 times rated current: 1S
HMPR-1010 Series Terminal Blocks
Appearance and opening size
HMPR-1010 series microcomputer protection and control device selection table
