Soken DAC-PD-7P - Partial Discharge Tester
Overview
Features
Specifications
Calibration
Applications
- IGBT gate drive photocoupler
- Pulse Transformer
Manual Test
When partial discharges which occurred during the retention period "t1" at test voltage "U1" exceed set-up values of both electric charge and generating frequency, "FAIL" is determined. When the charges are within the values, "PASS" is determined.
- U1: Test Voltage 0 - 5000VAC
- t0: Test Power OFF time 0.5 sec or more
- t1: Holding Time 1 sec or more (Partial Discharge Testing Period）
- tr, tf: Voltage Rising time・falling time 0.1 sec
Automated Test
Any of one to five measuring points can be set up. The below is an example when setting 2 measuring points.
| Setting item (per each measuring point) | Setting range |
|---|---|
| Voltage V[V] | 0 - 5000V |
| Holding Time t[s] | 0 – 60sec |
| Electric charge for judgment Q[pC] | 1 - 1000[pC] |
U1: Voltage at Measuring point 1
t1: Holding time at measuring point 1
tr, tf: Rising time, falling time (Less than 0.1s / 1kV/s)
- Partial discharge tester with built-in power supply, test voltage Max 5kV.
- Applicable to EN60747-5-5:2007 (VDE routine test).
- Operation in very short tact time (Min 4 sec.) is possible.
- Suitable for a production line test. (External control and PASS/FAIL judgment are available.)
Power Unit
| Input Voltage | 100VAC±10% 50/60Hz |
| Output Voltage | 0 - 5000VAC, 30VA |
| The shortest testing cycle | 4s |
| Voltage Holding Time (Measuring Time) | >1s |
| Voltage Rising Time | <0.1s |
| Frequency | 50Hz, 60Hz |
| Wave Shape | Sine wave |
| Maximum Capacitance Load | 1000pF |
| Voltage Setting Range | 0 - 5000VAC |
| Voltage Setting Accuracy | 1%F.S. |
Partial Discharge Measurement Part
| Gain | 0 - 80dB |
| Judgment Electric charge | 1~1000pC (with restriction by detection sensitivity) |
| Judgment Generation Frequency | 10~9000PPS |
| Calibrator Charge | 100pC, 1000pC |
| Calibration Pulse Injection Capacitor | 50pF |
| Calibration Pulse Voltage | 2V, 20V |
| Calibration Pulse Generation Frequency | 50PPS |
| Built-in Coupling Capacitor | 1000pF |
Others
| Judgment | Negative judgment is given when a pulse count for 1 second exceeds a threshold value | ||||||||||||||||||||||||||
| Display |
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| Output Contact (PASS/FAIL Judgment, during voltage output - Each Dry Contact) |
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| Interface | RS-232C | ||||||||||||||||||||||||||
| Size | 427mm×380mm×197mm (W×D×H, without projection) | ||||||||||||||||||||||||||
| Weight | 15Kg | ||||||||||||||||||||||||||
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