KPM83M Integrated motor digital protection relay


KPM83 series motor digital protection relay is based on high-performance DSP processor and embedded real-time operating system, it is a protection and monitoring devices that integrated protection, monitoring and control, communications.

It is suitable for substations, power plants, industrial and mining enterprises, construction and other fields with voltage levels up to 35KV. It has such functions as protection, telemetry, remote mains, remote adjustment and remote control to achieve full control and management of it. , we can provide line protection and monitoring and control, transformer protection and control, motor protection and control, PT protection and control, capacitor protection and control, spare power source automatic throw-in device coupler protection and other product types.




 

140x140
  • Motor digital protection relay Hardware:
  • Back plugging and unplugging module, separated the strong and weak electricity; the reinforced unit chassis is designed to resist strong vibration and interference. It can be decentralized mounted in the switch cabinet for running.
  • 32-bit microcomputer processor, large-capacity RAM and Flash Memory, strong ability of data processing, logic operation and information storage, fast running speed and high reliability.
  • 16-bit high-precision A/D, high measurement accuracy.
  • Running and event reports can be saved no less than 32 recent events
  • Graphic LCD, menu operation
140x140
  • Main Features:
  • ◆ Reinforced unit chassis is designed to resist strong vibration and interference, especially
    suits for harsh environments. It can be decentralized mounted in the switch cabinet for running.
    ◆ All integrated circuits use military-grade standards to ensure higher stability and reliability.
    ◆ Using 32-bit MCU as CPU, configures large-capacity RAM and Flash Memory, with strong
    ability of data processing, logic operation and information storage, fast running speed and
    high reliability.
    ◆ 16-bit A/D is used for data acquisition, data acquisition is 24 points per week, and the
    protection measurement accuracy is high.
    ◆ The graphic LCD screen can display various operating states and data in real time, the
    information is detailed and intuitive, and the operation and debugging are convenient.
    ◆ Large capacity information record: It can save no less than 32 recent events historical
    reports, with action parameters, power-down retention, easy for accident analysis.
    ◆ Adopts MODBUS-RTU protocol with RS-485 communication interface. The networking is
    economical and convenient, and can directly communicate with the computer monitoring and
    gateway.
140x140
  • Measurement accuracy:
  • Analog value measurement error ≤±0.2%
  • Power measurement error ≤0. 5%
  • Digital input voltage 220V resolution is no more than 2ms
  • Pulse input voltage 24V pulse width is not less than 10ms
140x140
  • Power consumption
  • AC voltage loop:<1VA/phase(rated)
  • AC current loop: < 1VA/phase (5A); < 0.5VA/phase (1A)
  • Zero-sequence current loop:<0.5VA
  • Protection power loop:<12W (normal condition); <15W(Under the protectionaction)

 

 
                                                                                       Model
  Function
KPM KPM KPM KPM KPM KPM KPM KPM KPM
83L 83T 83TD 83C 83M 83MD 83P 83B 83U
Protection
function
Quick-break              
Differential quick-break protection              
Over-current I        
Over-current II          
Negative sequence over-current I                
Negative sequence over-current II                
Inverse time overcurrent                
Zero sequence overcurrent        
Unbalanced zero sequence over-current                
Overload            
Inverse time overload                
Overvoltage protection            
Zero sequence overvoltage              
Unbalanced zero sequence overvoltage                
Low voltage protection            
Low voltage protection I                
Low voltage protection II                
Low voltage inverse time zero sequence                
Voltage extraction                
Short circuit protection                
Overheating protection                
Post acceleration                 
Recloser                
PT disconnection          
Discharge PT overvoltage                
Non-electrical protection            
Low-frequency load shedding                
Power direction                
Ratio Difference Protection of Second Harmonic Braking              
CT break detection and blocking function              
Fault Recording                
Long startup time protection                
Charge protection              
Insulation monitoring                
Control loop disconnection                  
Measurement 
function
Circuit breaker remote control split output signal        
IA,IB,IC,UA,UB,UC,Ia2,Ib2,Ic2,U0, I0,P,Q,F,cosΦ,etc          
Iah,Ibh,Ich,Ia1,Ib1,Ic1                
Unbalanced current real-time display                

联系我们

热门产品

  • KPM53三相智能电力仪表

    KPM53三相智能电力仪表

    KPM53系列三相智能电力仪表具有精确的电力参数测量,仪表采用先进的ARM处理器和数字信号处理技术设计而成;集三相电参量测量、显示、电能统计、电能质量分析、数字量输入/输出及网络通讯于一体;具有精度高、隔离性强、性能稳定、抗干扰能力强等有点;该仪表还有很强的扩展功能,如能监视外部开关动作、4-20m

  • KPM75 电能质量分析仪

    KPM75 电能质量分析仪

    KPM75是遵循国际电能质量标准而推出的新一代高端电能质量分析仪表,监测所有电能质量参数,如闪变,记录电压短时中断,谐波最高至63次的测量分析,该仪表还具有电能数据统计、IO信号控制报警、通讯等功能。超大图形液晶显示,可插拔功能模块设计,广泛应用于关键电力应用场合,是监测配电运营增效的理想之选。

  • KPM 37 无线三相导轨式智能能效采集终端

    KPM 37 无线三相导轨式智能能效采集终端

    KPM37系列三相导轨式智能电力能效终端采用DIN35MM 导轨式安装结构和LCD液晶屏显示,集三相电参量测量,2-31次谐波分析,时间统计于一体。标配1路MODBUS通讯接口,可通过MODBUS-RTU或DL/T645-2007通讯协议实现仪表的网络化管理。可扩展3路开关量输入和2路继电器输出,可

  • KPM33三相导轨式智能电能表

    KPM33三相导轨式智能电能表

    KPM33三相导轨式智能电能表采用D I N 3 5mm导轨式安装结构、LC D显示,测量电能及其它电参量,可进行时钟、费率时段等参数设置,并具有电能脉冲输出功能;可用RS485通讯接口与上位机实现数据交换。该电能表具有体积小巧、精度高、可靠性好、安装方便等优点,性能指标符合国标GB/T 17215

  • KPM 51 单相智能电力仪表

    KPM 51 单相智能电力仪表

    KPM 51单相智能电力仪表集遥测、遥信、遥控、变送于一体,功能丰富、性价比高,可独立运用于不同场合的电量测量和显示,帮助客户节省投资和使用空间,在各行业已经得到广泛的应用。

  • KPM 31 单相导轨式智能电能表

    KPM 31 单相导轨式智能电能表

    KPM 31单相导轨式智能电能表采用微电子技术和进口专用大规模集成电路,应用数字采样处理技术及SMT工艺等先进的技术,可直接精确地测量额定频率为50/60Hz的交流有功电能,运用LCD7+1位液晶显示,具有可靠性高,体积小巧,安装方便等特点。