MIJS-6000D High Voltage Dielectric Loss Testing Device

MIJS-6000D High Voltage Dielectric Loss Testing Device

Product Introduction

Dielectric loss insulation test can effectively detect the overall moisture deterioration and local defects of electrical equipment insulation, and is widely used in electrical manufacturing, electrical equipment installation, handover, and preventive testing.
MIJS-6000D High Voltage Dielectric Loss Testing DeviceAdopting variable frequency power supply technology, utilizing single-chip microcontrollers and electronic technology for automatic frequency conversion and modulation/Numerical conversion and data operation achieve strong anti-interference ability, fast testing speed, high accuracy, and easy operation.
The variable frequency power supply adopts a high-power switching power supply and outputs45Hzand55HzPure sine wave, automatic pressurization, can provide10kVThe voltage; Automatic filtering50HzInterference, suitable for on-site testing with high electromagnetic interference such as substations.

Other name

Dielectric loss tester, anti-interference dielectric loss tester, fully automatic dielectric loss tester, inter frequency dielectric loss tester, inter frequency dielectric loss tester, anti-interference dielectric loss tester, fully automatic dielectric loss tester

Product features

1、 Product Introduction
1Provide10kVThe voltage;Automatic filtering50Hzinterference,Suitable for on-site testing in substations and other areas with high electromagnetic interference.

2Dielectric loss insulation test can effectively detect the overall moisture degradation and deterioration of electrical equipment insulation,And local defects, etc,Widely used in electrical manufacturing, electrical equipment installation, handover, and preventive testing.

3High voltage dielectric loss testing device frequency conversion power supply technology,Using microcontrollers and electronic technology for automatic frequency conversion and modeling/Number Conversion and Data Operations,Achieve strong anti-interference ability, fast testing speed, high accuracy, and easy operation. The variable frequency power supply adopts a high-power switching power supply,output45Hzand55Hzpure sine wave,Automatic pressurization,can provide10kVThe voltage;Automatic filtering50Hzinterference,Suitable for on-site testing in substations and other areas with high electromagnetic interference.

4Can operate under high voltage of different frequencies and power frequencies,On site measurement of transformers(casing)The dielectric loss tangent of insulation materials for high-voltage equipment such as circuit breakers, transformers, power cables, capacitors, etc(tgδ)And capacitance value(Cx).

5It can be observed that the overall insulation of electrical equipment has deteriorated due to moisture, as well as local defects.
6Suitable for measuring the dielectric loss tangent of the following equipmenttgδ and capacitance valueCx.

2、 Product Usage
1Dielectric loss testing of transformer windings, transformer bushings, and insulation oil;

2Dielectric loss test of current transformer terminal screen;

3Dielectric loss testing of electromagnetic and capacitive voltage transformers

4Circuit breaker(Pressure switch)The dielectric loss test

5Dielectric loss testing of insulation materials

3、 Performance characteristics
1, possessingCVTSelf excitation method test, one-time wiring, simultaneous measurementC1TheC2The capacitor andtgδ。
2Equipped with reverse wiring low-voltage shielding function, inCVTWhen the busbar is grounded, forC11Can be done without disconnecting the wires10kVReverse wiring dielectric loss measurement.
3Equipped with external voltage and external applicationCNThe measurement function.
4HavingCVTVariable ratio measurement function, meeting the requirements35～500kVlevelCVTMeasurement of device transformation ratio.
5The instrument has high measurement accuracy and can meet the requirements of oil dielectric loss measurement. Therefore, only a standard oil cup and a dedicated testing line are needed to achieve oil dielectric loss measurement.
6Using frequency conversion technology to eliminate on-site issues50HzPower frequency interference can provide reliable data even in environments with strong electromagnetic interference.
7The overcurrent protection function ensures that the instrument is not damaged in the event of a short circuit or breakdown of the test sample.
8Comes with standard capacitors and high-voltage power supply for easy on-site testing and reduces on-site wiring.
9The instrument adopts a large screen LCD display, and the testing process is prompted by Chinese character menus.

4、 Technical indicators
1Accuracy:Cx：±(Reading X1%+1pF) tgδ:±(Reading X1%+0.00040)
2Anti interference indicators:Variable frequency anti-interference,in200%Can still achieve the above accuracy under interference
3Range of capacitance:Apply high pressure internally: 3pF～60000pF/10kV 60pF～1MF/0.5kV
Apply high pressure externally: 3pF～1.5MF/10kV 60pF～30MF/0.5kV
resolution: 0.001pF,4Significant digits
4ThetgRange of δ: unlimited, resolution0.001%，CTheLTheRThree types of samples are automatically identified.
5Test current range:10MA～5A
6Internal high voltage: Set voltage range:0.5～10kV
High output current:200mA
Pressure rise and fall method: continuous smooth adjustment
Voltage accuracy:±(1.5%X Reading+10V)
7External high voltage: high test current when connected positively1A, power frequency or frequency conversion40～70Hz
High test current during reverse wiring1A/10kV, power frequency or frequency conversion40～70Hz
8TheCVTSelf excited low voltage output: output voltage3～50V,output current3～30A，CVTVariable ratio measurement:35～500kVlevelCVTTransformation ratio of the device
9Measurement time:about40sRelated to the measurement method
10Input power supply:180V～270VAC,50Hz/60Hz±1%,Powered by mains or generator
11Environmental humidity-10°C~ 50°C,relative humidity< 90%
12Relative humidity: <90%
13External dimensions/Weight:410mmx310mmx 270mm/25kg