Products

CRA600S Protection Relay Test Set

CRA600S Protection Relay Test Set

CRA600S hand-held digital-analog integrated relay protection tester employs advanced power supply and digital technology with a high-precision current and voltage amplifier. It features a lightweight design, powered by a lithium battery, and offers high output precision. Operated via a high-definition touch screen, it provides extensive testing functions, making it suitable for secondary operation, maintenance, and debugging in substations, smart substations, power plants, and distribution networks.

Device introduction

CRA600S hand-held digital-analog integrated relay protection tester uses advanced power supply and digital electronic technology, adopts miniature high-precision current and voltage amplifier module, and has built-in large. Power supply by capacity lithium battery pack has the characteristics of high output precision, small size and light weight. The instrument is operated by high-definition full touch screen, with rich test functions, which is suitable for conventional substation. Secondary operation and maintenance and debugging for users such as stations, smart substations, power plants and distribution networks.

Function configuration

Voltage generators
Number of outputs 4×130V
Ranges AC(L-N):4×0-130V;
DC (L-N):4 ×0-±180V
Power 4 ×26VA 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 3×15A
Ranges AC(L-N):3×0-15A
DC (L-N):3×0-±10A
Power 3 × 12VA at 15A
Accuracy 3×15A:
error < 0.03 % rd. + 0.02% rg. typ., at 0 …  15 A;
error < 0.08 % rd. + 0.02 % rg. guar., at 0 … 15 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 3pairs
interface type LC interface
Wavelength 100 Mbps: 1310nm, Gigabit: 850nm
Communication protocol IEC61850-9-2,GOOSE
Optical fiber serial interface two, one for one
interface type ST interface
Communication protocol 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 4pairs,0-400V DC threshold or potential free
Binary outputs 4pairs,In which a pair of quick-opening contacts
Dimensions 261mm×181mm×80mm(W×H×D)
Weight: <3.0kg

Main features

  • Support IEC 61850 communication protocol, with mixed output capability of analog, digital and digital-analog;
  • It has the function of merging unit test;
  • Five ten thousandths (0.05%) of current and voltage output accuracy;
  • Handheld design, small size, light weight and easy to carry;
  • Adopt a 7-inch high-definition capacitive touch screen with full touch screen operation;
  • Built-in lithium battery pack for power supply;
  • Using Linux operating system, the system is stable and reliable;
  • Rich protection test function, with manual test, state sequence, harmonic superposition, whole group test, low-cycle load shedding, low-voltage load shedding, Special test modules for relay protection such as distance, zero sequence, overcurrent, ratio differential and harmonic braking;
  • Rich SV and GOOSE message analysis functions;
  • Have SCD file comparison and SCD file graphical functions;
  • All outputs are protected against overheating, overload and short circuit, and have the ability to resist external high-voltage transient signals;
  • Using PWM temperature control system to realize the internal temperature control of the instrument;
  • Multi-machine synchronous output function;
  • Have WiFi, Bluetooth, 4G (optional) wireless connection and data transmission functions;
  • Support RoLa wireless data transmission, with secondary current wireless nuclear phase function (optional).