CRA160 series Protection Relay & IEC 61850 Test Set is an advanced testing instrument developed by CROXS. It features a modular design with high-precision current and voltage amplifiers for enhanced output accuracy and stability. Powered by a large lithium battery, it is compact, lightweight, and offers extensive testing functions. The 9-inch high-definition touch LCD allows for convenient operation without buttons. This instrument supports conventional and digital relay protection testing, mixed signal testing, merged unit testing, intelligent terminal testing, message analysis, SCD file parsing, MMS services, and cloud testing, meeting the needs of power plants and various substations.
CRA160 series Protection Relay & IEC 61850 Test Set is a new generation of comprehensive testing instruments developed and produced by CROXS. The design concept of this instrument is advanced, adopting modular design, matched with high-precision current and voltage amplifier modules, with higher output accuracy and better stability. It is powered by a large capacity lithium battery pack and has the characteristics of small size, light weight, and rich testing functions. Using a 9-inch high-definition touch LCD screen with full touch screen operation without buttons, making the operation more convenient and efficient.This instrument integrates conventional relay protection testing, digital relay protection testing, mixed signal relay protection testing, merged unit testing, intelligent terminal testing, message analysis and measurement, SCD file parsing and comparison, MMS related services, and cloud testing functions. Capable of fully meeting the testing requirements for all types of relay protection and automatic devices in power plants, conventional substations, intelligent substations, and new generation substations.
| Voltage generators | |
| Number of outputs | 6×130V |
| Ranges | AC(L-N)： 6 ×0-130V； |
| DC (L-N)：6 ×0-±180V | |
| Power | 4 ×48VA at 130V |
| Accuracy | error < 0.03 % rd. + 0.01 % rg. typ., at 0 … 130 V； |
| error < 0.08 % rd. + 0.02 % rg. guar., at 0 … 130 V | |
| Resolution | 10mV for 130Vac |
| Output response time | <100μs |
| Distortion (THD%) | <0.03 % typ., <0.1% guar. |
| at nominal values, 50/60 Hz and 20 kHz measurement bandwidth | |
| Current generators | |
| Number of outputs | 6×30A or 3×60A |
| Ranges | AC(L-N)： 6× 0-30A or 3× 0-60A； |
| DC (L-N)：6× 0-±10A | |
| Power | 6 × 110VA at 30A |
| Accuracy | 6×30A： |
| error < 0.03 % rd. + 0.02% rg. typ., at 0 … 30 A； | |
| error < 0.08 % rd. + 0.02 % rg. guar., at 0 … 30 A； | |
| 3×60A： | |
| error < 0.03 % rd. + 0.02% rg. typ, at 0 … 20 A | |
| error < 0.08 % rd. + 0.02% rg.typ., at 20 … 60 A； | |
| error < 0.08 % rd. + 0.02 % rg. guar., at 0 … 20 A； | |
| error < 0.15 % rd. + 0.05 % rg. guar., at 20 … 60 A； | |
| Resolution | 0.1mA |
| Distortion (THD%) | < 0.1 % typ., < 0.3 % guar. |
| at nominal values, 50/60 Hz and 20 kHz measurement bandwidth | |
| Output response time | <100μs。 |
| Optical fiber Ethernet interface | 8pairs，One pair is suitable for gigabit networks |
| interface type | LC interface |
| Wavelength | 100 Mbps: 1310nm, Gigabit: 850nm |
| Communication protocol | IEC61850-9-2，GOOSE |
| Optical fiber serial interface | Four, two for two |
| interface type | ST interface |
| Communication protocol | IEC60044-8，IRIG-B，PPS |
| Frequency-Amplitude chacteristic | ≤±0.05%~±0.5%(10Hz~1kHz) |
| Frequency | DC-10.0kHz； |
| Frequency accuracy | <1mHz(45Hz~65Hz)、 |
| <5mHz(10Hz~45Hz、65 Hz~450Hz)、 | |
| <10mHz(450 Hz~1000Hz)； | |
| Resolution | 0.001Hz |
| Phase | |
| Phase angle range | 0° ~ 360° |
| Phase angel accuracy | ±0.05°typ.(±0.1°guar.),at 50/60Hz |
| Phase angle resolution | 0.01° |
| Binary inputs | 8pairs，0-400V DC threshold or potential free |
| Binary outputs | 4pairs，In which a pair of quick-opening contacts |
| Dimensions | 315mm×240mm×140mm(W×H×D) |
| Weight： | <8kg |
Main features
