保护继电器
DEIF manufactures a comprehensive range of tested Multiple protection & single-function protection units. The microprocessor-based, protection integrate maximum protection functionalities as standard and confirms to various global standards..
Related Products
中压综合保护继电器 MVR-200 系列
- Three phase overcurrent protection stages INST, DT or IDMT
- (Sensitive) Earth-fault protection stages INST, DT or IDMT
- Harmonic overcurrent protection / inrush blocking stages INST, DT or IDMT
- Cold-load pick-up block
- Current unbalance / broken conductor protection stages INST, DT or IDMT
- Thermal overload protection (line)
- Restricted earth fault protection (low-imp)
- Cable-end differential protection
- Directional three-phase overcurrent protection stages DT or IDMT
- Directional (sensitive) residual overcurrent protection stages DT or IDMT
- Intermittent earth fault
- Fault locator
- Overvoltage protection stages INST, DT or IDMT
- Undervoltage protection stages INST, DT or IDMT
- Positive sequence under/overvoltage protection stages INST, DT or IDMT
- Residual voltage protection stages INST, DT or IDMT
- Frequency protection stages
- Rate of change of frequency
- Vector Jump / surge
- Reverse/under/over power protection stages INST, DT or IDMT
- Synchrocheck
- Auto-reclose
- Fuse failure
- Current transformer supervision
- Switch onto fault logic
- Breaker failure protection
- Programmable stage
主电网失电保护继电器 LMR-111D
- 检测矢量跳变
- 主电网故障造成的电网断开
- 确保无非同步重新连接
- 故障时LED显示
- 输出继电器动作时LED显示
- 35 mm DIN导轨或底座安装
主电网失电保护继电器 LMR-122D
- 检测矢量跳变
- 主电网故障造成的电网断开
- 确保无非同步重新连接
- 故障时LED显示
- 输出继电器动作时LED显示
- 35 mm DIN导轨或底座安装
差动电流保护继电器 RMC-131D
- 三相电流测量
- 不稳定时可准确测量
- 故障时LED显示
- 动作时间可调
- 输出继电器动作时LED显示
- 额外转换继电器触头用于信号传输
- 35 mm DIN导轨或底座安装
定子接地故障保护继电器 RMC-142D
- 可保护发电机定子和负载或只保护负载
- 内置过滤器可过滤三次谐波
- 故障时LED显示
- 动作时间可调
- 输出继电器动作时LED显示
- 35 mm DIN导轨或底座安装
欠励磁保护继电器/过励磁保护继电器 RMQ-111D和RMQ-121D
- Generator under-excitation protection
- ANSI code 40
- Single-phase measurement
- Timer-controlled tripping
- LED indication of fault/activated relay
- 35 mm DIN rail or base mounting
