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Table of Contents Section 1 ..............................2 An Introduction to Impulse Testing with the MegaPulse PF series tester ..........2 Safety Precautions ........................2 Test Personnel ........................2 Testing Area ........................2 Safety Techniques ......................3 Safety Markings ...........................3 Using the MegaPulse Impulse Tester ...................4 Section 2 ..............................5 Getting Started ............................5 Unpacking and Inspection ......................5 Packaging ........................5...
Section 1 An Introduction to Impulse Testing with the MegaPulse PF series tester The impulse test is designed to simulate impulse surges which occur in everyday life due to nearby lightning strikes, switching transients, and other high-frequency faults on the power distribution network. Impulse testing is the fundamental method for empirical verification of the adequacy of insulation.
Safety Techniques The high voltage circuit of the MegaPulse Biphasic PF 360J/100J can be shut off at any time by turning OFF the rear power switch. Always press TRIGGER to discharge the tester before turning OFF. The MegaPulse tester is provided with a digital VOLTAGE ADJUST knob on the front panel. This should always be adjusted to the minimum position at the start of testing.
Using the MegaPulse Impulse Tester The impulse test involves high voltage and caution should be exercised when using the tester. Both the OUTPUT and RETURN, which is floated, leads must always be treated as Hazardous whenever the power switch of the MegaPulse is in the ON position. The MegaPulse impulse tester generates the impulse waveform only;...
Check the shipping order against the contents of the container and report any damage or short shipment to Compliance West USA. Please save the shipping carton and packing material for the carrier’s inspection. Our customer support department will assist you in the repair or replacement of your instrument.
AC Line Voltage Requirements AC line voltage requirements for your Tester are noted on the rear panel of the instrument. Do not connect the instrument to a different voltage source. The cord packaged with your MegaPulse Tester is for use in the United States.
Section 3 Specifications and Controls Specifications for the MP Biphasic PF 360/100J are listed in the table below and waveform is shown in Fig1. TESTING CIRCUITRY Output Peak Voltage: 2000V ±3%. Main Capacitance: 200uF ±10%. Energy: 100J / 360J ±10%. Tphase1: (6.8ms –...
Before using your Tester, take a few minutes to become familiar with the use of its controls, indicators and connectors. The front panel features of the MegaPulse are shown in Figure 2 and described in . The rear panel features of the MegaPulse are shown in Figure 3 and described in Table 1 Table 2 Figure 2. MegaPulse Biphasic PF 360J/100J Front Panel Features...
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Table 1 MegaPulse Biphasic PF 360J/100J Front Panel Features ITEM NAME FUNCTION Adjust the digital voltage set point in the tester. VOLTAGE Press the voltage knob to display the voltage set point. This setting will blink for a few seconds on the front meter.
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ITEM NAME FUNCTION The impulse waveform appears on the OUTPUT jack, referenced to the RETURN jack. When the POLARITY switch is in the OUTPUT Normal position (NOR indicator is lit) the output will be a positive pulse. When the POLARITY switch is in the Reverse position jack (REV indicator is lit) the output will be a negative pulse.
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Table 2 MegaPulse Biphasic PF 360J/100J Rear Panel Features ITEM NAME FUNCTION Design to cool down the tester. Trigger remote control Apply a 5V (25mA) voltage signal for 500mS +/-200ms to start the Trigger process. Charge remote control Apply a 5V (25mA) voltage signal for 500mS +/-200ms to start the Charge process.
Section 4 Operating Instructions The Biphasic PF 360J/100J tester consists of two parts; the pulse generation portion and the measurement portion. The following procedure will explain how to generate a high voltage pulse with the MegaPulse unit. External Interlock The external interlock is a two-position terminal block located on the rear panel. When the External Interlock is open: •...
Discharging Residual Voltage Note that the Voltage meter may indicate that some residual voltage is present on the main storage capacitor, even when the MegaPulse tester is first turned ON. This is due to inherent charging of the internal capacitors. The following procedure will explain how to discharge a remaining voltage stored on the main internal capacitor.
Figure 4. Waveform Measurement Setup (Image for reference only) Testing This section describes how the MegaPulse Biphasic PF 360J/100J tester is used to conduct a test. The test can be stopped immediately at any time by turning OFF the rear-panel power switch.
TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THE CONTAINED IN THE OPERATING INSTRUCTIONS. This section of the manual contains maintenance information for the MegaPulse Biphasic PF 360J/100J impulse tester. A 1-year calibration cycle is recommended to maintain the specifications of the factory. The test equipment required for the performance test is a digital oscilloscope, high voltage oscilloscope probe, digital meter and a high voltage probe.
Section 6 Technical Assistance Technical Assistance from Compliance West USA is available: Phone: (800) 748-6224 Hours: 8:30 AM - 4:30 PM Pacific Time. Also available on our web site at: www.compwest.com Contact: Compliance West USA 650 Gateway Center Way Suite D San Diego, CA 92102 USA.
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