Name: Portable Secondary Current Injection and AC/DC Voltage 3 phase Relay Test Equipment
Model: HME-702C
A newly developed economical relay protection tester in 2023. The equipment can simulate the current and voltage during power system faults, and can be used for the operation, maintenance, debugging, and calibration of power system relay protection devices. It has 4 channels of voltage and 3 channels of current output, with an output accuracy of 0.2%.
| Setting Range | 3-Phase AC (L-N) | 3x0…40A |
| 1-Phase AC (LL-LN) | 1x0…120A | |
| DC (L-N) | 3x…±10A | |
| Power | 3-Phase AC (L-N) | 3x420VA At 40A |
| 1-Phase AC (LL-LN) | 1x900VA At 120A | |
| DC (L-N) | 3x120VA At 10A | |
| Accuracy | AC | ≤0.2% |
| DC | ≤0.5% |
| Setting Range | 4-Phase AC (L-N) | 4x0…120V |
| 1-Phase AC (L-L) | 1x0…240V | |
| DC (L-N) | 3x…±160V | |
| Power | 4-Phase AC (L-N) | 4x80VA At 120V |
| 1-Phase AC (L-L) | 1x100VA At 240V | |
| DC (L-N) | 3x70VA At 160V | |
| Accuracy | AC | ≤0.2% |
| DC | ≤0.5% |
| Voltage Range | 110V/220V (Max. 1.5A) |
| Power | Max. 165VA/330VA |
| Number | 8 |
| Input Characteristics | Idle Contact Or Potential-Free Contact |
| Threshold Characteristics | "0": 0~6V; "1": 11V~250V |
| Max. Measuring Time | 0.1ms~9999s |
| Time Accuracy | 0.1ms |
| Number | 4 |
| Type | Idle Contact |
| Break Capacity | 220VAC/0.5A, 220VDC/0.2A |
| Frequency | Range: 0~1000Hz (PC Mode), 20~300Hz (Local Mode) |
| Accuracy: <10mHz (0~450Hz), <20mHz (450~1000Hz) | |
| Resolution: 0.01Hz | |
| Phase | Range: 0~360° |
| Accuracy: 0.2° | |
| Resolution: 0.1° | |
| Harmonic | Superposition Orders: 1~20 (PC Mode), 1~6 (Local Mode) |
| Distortion: ≤0.5% |
| Nominal Input Voltage | Customized (AC 220V/230V±10%, 1-Phase) |
| Nominal Frequency | 50/60 Hz |
| Rated Current | 10A At 230V / 12A At 115V |
| Connection | Standard AC Socket (IEC 60320) |
| Operation Temperature | 0 ... +50 °C (+32 ... +122 °F) |
| Storage Temperature | -25 ... +70 °C (-13 ... +158 °F) |
| Humidity Range | Relative Humidity 5 ... 95 %, Non-Condensing |
| Vibration | IEC 60068-2-6 (20m/S2 At 10 ... 150 Hz) |
| Weight | 22kg (48.50 Lb) |
| Dimensions (W X H X D) | 400×300×180mm (15.75x11.81x7.09 In) without handle |
| Connection Port | For PC Connection |
The HME-702C is designed to simulate currents and voltages during power system faults. It is used for the operation, maintenance, debugging, and calibration of power system relay protection devices.
It features a 3-phase current output (up to 3×40A) and a 4-phase voltage output (up to 4×120V) with a high linear amplifier output accuracy of 0.2%.
Yes, the device supports both local test modes via an embedded system with a 320x240 LCD screen, as well as PC remote control software testing.
The HME-702C is equipped with 8 binary inputs (supporting potential-free contact, threshold 0~6V for "0" and 11~250V for "1") and 4 binary outputs (idle contact type with a break capacity up to 220VAC/0.5A).
It is designed to operate in temperatures from 0 to +50 °C (+32 to +122 °F), and relative humidity levels between 5% and 95% (non-condensing), complying with standard IEC vibration ratings.
The standalone unit weighs 22kg (48.50 Lb) with dimensions of 400×300×180mm. For transport, it is packed in a standard export wooden package with a gross weight of 30kg.