Focusing on the field of electrical services, committed to professional and efficient technical services.
Focusing on the field of electrical services, committed to professional and efficient technical services.
PROJECT CASE
Product Application This set of power frequency non-local discharge test transformer is mainly used for power frequency withstand voltage and local discharge test of products 35kV. It is mainly used for high-voltage transformer local discharge test, high-voltage epoxy cabinet local discharge test, high-voltage switch cabinet voltage test, power transformer withstand voltage test, high-voltage circuit breaker withstand voltage test, lightning arrester local discharge test, etc. Product Parameters Rated capacity 50kVA Rated voltage: 150kV Input voltage: 380V Impedance voltage: <10% Local discharge: <5PC Measurement accuracy: 1%Product on-site completion items 10kV power transformer power frequency withstand voltage test 10V current transformer power frequency withstand voltage and local discharge test 10kV high-voltage switch cabinet power frequency withstand voltage test 10kV epoxy cabinet frequency withstand voltage and local discharge test 10kV lightning arrester local discharge test 10kV high-voltage circuit breaker withstand voltage
Product Application This set of power frequency non-local discharge test transformer is mainly used for power frequency withstand voltage and local discharge test of below 35kV. It is mainly used for high-voltage transformer local discharge test, high-voltage epoxy cabinet local discharge test, high-voltage switch withstand voltage test, power transformer withstand voltage test, high-voltage circuit breaker withstand voltage test, lightning arrester local discharge test, etc. Product Parameters capacity: 75kVA Rated voltage: 150kV Input voltage: 380V Impedance: <10% Local discharge: <5PC Measurement accuracy: 1% Product on-site completion items 10kV power power frequency withstand voltage test 10kV current transformer power frequency withstand voltage test 10kV high-voltage switch cabinet power frequency voltage test 10kV epoxy cabinet power frequency withstand voltage test 10kV high-voltage circuit breaker withstand voltage
Product Application This set of impulse voltage generator is mainly used for lightning wave, chopped wave and operating wave of products below 35kV. It is mainly used for lightning wave test of high-voltage instrument transformer, lightning wave test of high-voltage epoxy cabinet, lightning wave test of higholtage switchgear, lightning wave and chopped wave test of power transformer, lightning wave test of high-voltage circuit breaker, etc. Product Parameters Rated Voltage:400kV Level Voltage: 100kV Rated Energy: 20kJ Level Energy: 5kJ Main Capacitance: 0.25uF Level Capacitance: 1uF Number of Levels: 4 levelsProduct On-site Completion Projects 10kV Pole-mounted Switch Lightning Impulse Voltage Test 10kV Epoxy Cabinet Lightning Imp Voltage Test 10kV Circuit Breaker Lightning Impulse Voltage Test 35kV Circuit Breaker Lightning Impulse Voltage Test 10kV High-voltage Switchgear Lightning Impulse Voltage Test 10kV Voltage and Current Transformer Lightning Impulse Voltage Test 10kV Power Transformer Lightning Impulse Voltage and Chopped Wave Test
Product use This set of chopping device is mainly used for chopping tests of products below 35kV. It is mainly used for chopping tests of power transformers and chopping tests of coil products on site. Product parameters Rated voltage: 300kV Level voltage: 50kV Capacitance: 300pF Number of levels: 2 levels Maximum stroke: 70mm Chopping time: 2-6us Product on-site completion items 10kV power transformer lightning chopping test
Product use This set of steepening device is mainly used for the steep wave impulse voltage test of products such as high-voltage line B line insulators and high-voltage line organic composite insulators. Product parameters Rated voltage: 600kV Capacitance: 300pF Resistance: 2.5KΩ Ball diameter: 150mm Stroke distance: 0~10mm Product on-site completion items Steep wave test of organic composite insulators Steep wave test of porcelain insulators Steep test of glass insulators Steep wave test of column composite insulators
Product use This set of induction test device is mainly used for induction withstand voltage and partial discharge test of 10kV dry-type transformer. Product parameters Output voltage: 0.8kV Output frequency: 100HZ/150HZ/200HZ Capacitance: 300PF Rated voltage: 100kV Partial discharge: ≤5pC on-site completion items 10kV dry-type power transformer induction withstand voltage and partial discharge test 10kV power transformer induction withstand test
Product Use This set of three-phase temperature rise large current generator is mainly used for current load test and temperature rise test of busbar switch, switchgear and other electrical equipment. Product Parameters Rated capacity: 15KVA 6KVA Number of phases: three or single-phase Input current: AC 0 ～ 18.4A Output voltage: AC 0 ～10V Output current: 0 ～ 1500A AC 0 ～600A Voltage measurement accuracy: 0.5 ％ Current measurement accuracy: 0.5 ％ Timing length: 0 ～ 999S Temperature acquisition: 40 groups temperature are acquired simultaneously and can generate temperature curve chart Product on-site completion items Busbar temperature rise tes
Product Application This set of frequency-adjustable series resonance test equipment is mainly used for on-site AC withstand voltage test and partial discharge of GIS combined electrical appliances and other large-capacity power equipment such as power cables. Product Parameters Rated Capacity: 5250kVA Rated Voltage: 750kV Rated Current: 7A Frequency Adjustable Range: 30~300HZ Frequency: 0.1Hz Frequency Instability: ≤0.05% Voltage Waveform: Sine Wave Voltage Waveform Distortion: ≤1.0% Noise Level: ≤85dB Partial Discharge Quantity: ≤10PC Quality Factor: Q>50 Insulation Level: Withstand voltage for 1min at 1.1 times rated voltage Operation Time: Allowable operation time of 1 on and 1 hour off at rated output current, with a cycle of 3 times per day Allowable Temperature Rise: ≤65K at rated for the coil temperature rise Product On-site Completion Projects 500kV GIS on-site withstand voltage and partial discharge test 500kV power cable on-site withstand voltage and partial discharge test
Product features This set of non-discharge frequency power supply is mainly used for AC withstand voltage test and partial discharge test of equipment. By using the excitation transformer to excite the series or parallel resonance device circuit, the output frequency of the frequency power supply is adjusted, so that theductance L of the reactor and the capacitance C of the test sample in the circuit resonate, and the required voltage is generated on the test sample; or through intermediate transformer directly output to the primary of the transformer for induction withstand voltage test. Product parameters Rated capacity: 150kW Input voltage Three-phase 380V ± 15% Output voltage: Single-phase 0 ~ 350V or three-phase 0 ~ 900V Frequency range: 30 ~ 300Hz Voltage stability: ±1% Frequency stability: ±0.1% Frequency resolution: ≤0.1Hz Voltage waveform distortion rate: <3% Noise: ≤85dB Cooling method: Forced air cooling Product on-site completion project 500kV GIS on-site withstand voltage and partial discharge test 500kV power cable on withstand voltage and partial discharge test 10kV dry-type transformer induction withstand voltage and partial discharge test
Product Application This set of resistive-capacitive voltage divider is mainly used by the power system and the manufacturing department of electronic equipment measure high AC voltages, high DC voltages, lightning impulse waves, and operating waves. Product Features This set of resistive-capacitive voltage dividers precision high-voltage capacitors and precision high-voltage glass enamel resistors, with high input impedance, which reduces the test current. This set of resistive-capitive voltage dividers has low power consumption, high measurement accuracy, and good stability. This set of resistive-capacitive voltage dividers uses special shielding technology, has strong anti-interference capability. This set of resistive-capacitive voltage dividers has a variety of uses, including the measurement of AC voltage, DC voltage lightning impulse, etc. Product Parameters Rated AC voltage: 0~1500kV Rated DC voltage: 0~±180kV Rated lightning impulse wave: 0~±3600kV Rated operating wave: 0~±2500kVProduct Field Completion Projects Field AC test Field DC test Field lightning impulse wave test Field impact operating wave test Field joint
Leading technology, stable quality, and supreme reputation! Contact Line：(86)0514-86603029
Contact Line:
(86)0514-86603029
Mobile：(86)18952737379
Email：yzghec@yzghec.com
