IPM-IM-FRD DC Insulation Recording Device
IPM-IM-FRD DC insulation recording device is an online monitoring and protection equipment for smart substations. This device integrates DC insulation monitoring and recording functions, accurately capturing key voltage, current, and switch status data before and after DC power faults. It plays a crucial role in analyzing DC power faults.
Share to:
- Insulation monitoring
- Transient and steady-state recording functions
- DC cross-talk detection calculation
- AC cross-talk detection calculation
- 500 dynamic fault data records
- 5% precision monitoring of voltage and current data
- Power failure saves 1000 historical alarm records
- 1152 branch monitoring
- Regular self-check
| Measuring range | |
| Bus voltage | 0V-300V |
| Bus voltage to ground | -300V-300V |
| Bus resistance to ground | 0-999kΩ |
| Branch resistance to ground | 0-999kΩ |
| ACintrusion voltage | 0-250V |
| DC mutualintrusion resistance | 0-200kΩ |
| Battery voltage | 0-350V |
| Battery current | 0~400A |
| Load current | 0~400A |
| Measuring accuracy | |
| Bus voltage to ground | 0.5%(10%Un-1.3Un) |
| Branch leakage current | 5%±0.1mA |
| Bus resistance to ground | 2%±1k (resistance to ground:0~100kQ); 5%±1k (resistance to ground: 100~ 200k Q) |
| Branch resistance to ground | 5%±2k0 (resistance to ground:0~100kn);10%±2kQ(resistance to ground; 100~200ko |
| AC intrusion voltage | ±1%(10~250), specific valus should be displayed (<10V) |
| DC intrusion resistance | 10%±2kQ (0-50kQ) |
| Battery voltage | (0.5%*reading+0.1V) |
| Battery current | (1%*reading+0.5A) |
| Load current | (1%*reading+0.5A) |
| Other technical indexes | |
| Recording frequency | 4KHZ-10KHZ,adjustable |
| Recording channel | Eight Al analog channels and eight Dl channels |
| Trigger data recording start mode (the following start conditions can be configured) | |
| Sudden change start | Including control bus voltage sudden change start, battery voltage sudden change startbattery curent sudden change start |
| Out-of-limit star | Including control busvoltage out-of-limit start, battery voltage out-of-limit start, control busnegative voltage to ground; out-of-limit, control bus AC negative voltage to ground out-of-limitbattery charging current sudden change out-of-limit, battery discharge current out-of-limit |
| Continuous data recording | |
| Data recording interval | 1s |
| Maximum recording time | 120d |
| Recording format | Universal power recording format: comtrade99, cyclic coverage update |
| Support the functions of RiG-B code clock synchronization and B code forwarding | |
| 16-bit 200 KSPS sampling rate per channel ADC detection | |
| Display | 7 inches,1024*600, true color LCD capacitive screen |
| 8GB large storage capacity | |
