The on-load tap changer is the only moving part connected with the transformer circuit so more and more attention has been paid to the detection of the on-load tap changer.In the electrical equipment handover and preventive test regulations it is required to check the action sequence of on-load tap changer measure switching time etc.This device is mainly used for measuring the transition waveform transition time transient resistance of transformer on-load tap changer three-phase synchronism etc.
The on-load tap changer is the only moving part connected with the transformer circuit so more and more attention has been paid to the detection of the on-load tap changer.In the electrical equipment handover and preventive test regulations it is required to check the action sequence of on-load tap changer measure switching time etc.This device is mainly used for measuring the transition waveform transition time transient resistance of transformer on-load tap changer three-phase synchronism etc. product names On - load tap - changer tester transformer on - load tap - changer tester transformer on - load switch tester
The on-load tap changer is the only moving part connected with the transformer circuit so more and more attention has been paid to the detection of the on-load tap changer.In the electrical equipment handover and preventive test regulations it is required to check the action sequence of on-load tap changer measure switching time etc.This device is mainly used for measuring the transition waveform transition time transient resistance of transformer on-load tap changer three-phase synchronism etc.
Product Introduction This product is specially used for measuring the capacity of distribution power transformer measuring the no-load and short-circuit loss of transformer and has the function of harmonic analysis which is convenient for analyzing the quality of on-site power network. The device can automatically check whether the wiring is correct and display the vector diagram of the three-phase current and voltage when testing the three-phase transformer. At the same time necessary correction (such as waveform correction temperature correction unrated voltage correction calibration unrated current correction) is introduced to make the test results more accurate. Product name Transformer capacity test instrument transformer capacity load tester
GDKF Transformer Load and No Load Tester Introduction: It's used to Measure the transformer load and no load current, load and no load loss, short-circuit voltage, short circuit (load) losses and capacity. Test items: RMS phase voltage Average value of three-phase AC voltage Three-phase current RMS Percentage of no-load loss and no-load current Load loss, impedance voltage, and the percentage of short-circuit impedance Any given temperature, load loss, the percentage impedance voltage and short circuit impedance Voltage waveform in the percentage of each harmonic component Current waveform in the percentage of each harmonic component Technical index: Current measurement range: 100mA ~ 5A, accuracy class 0.2; Voltage Range: 10V ~ 650V, accuracy class 0.2; External transformer can broaden the scope of measurement instruments; Frequency Range: 40 ~ 65Hz, accuracy class 0.2; Power Input: AC220V ± 10% Company Information Our company has become one of the leading manufacturer of petroleum testing instrument and electrical testing instrument since 2009sâ??. We have developed sales channels in many countries such as Malaysia,India,Germany,USA,Mexico,Saudi Arabia,South Africa and other countries worldwide. and we have gained great advantage and high reputation in international market. We are making effort to develop together with customers from both domestic and abroad on the basis of reciprocity.Client,quality and service are our supreme target. Our Services Pre-sale Service: Inquiry will be replied within 24 hours. Welcome to visit our factory. Technical datas and operation manual sent for evaluation. After-sale Service: Training how to instal the machine, training how to use the machine at our factory; Engineers available to service machinery overseas at customers' cost;GDKF Transformer Load And No Load Capacity Characteristic Tester
FYSeries current and voltage Transformer Load Box is specially provided for various payloads when testing current and voltage transformers and it is an ideal matching product for various transformer verification devices.The Transformer Load Box is in strict accordance with the national standard jjg313-94 JJG314-94 design for.Its Transformer Load Box output capacity is large Full range of loads in light weight good-looking appearance Stability and other advantages. Product nickname Transformer Load Box Voltage Transformer Load Box Current Transformer Load Box Voltage load box Current load box Voltage load box Current load box
Product brief introduction Product Introduction FYSeries current and voltage Transformer Load Box is specially provided for various payloads when testing current and voltage transformers and it is an ideal matching product for various transformer verification devices.The Transformer Load Box is in strict accordance with the national standard jjg313-94 JJG314-94 design for.Its Transformer Load Box output capacity is large Full range of loads in light weight-looking appearance Stability and other advantages.
Step down from 11000/22000/33000 volts to 433 volts. Oil filled oltc transformers from Kva rating (kva) - 400 to 2500 No load loss (kw) - 1.2 to 3.4 Load loss (kw) - 6.0 to 28.0 %z - 4.5 to 6.25 Basic price (usd) - on demand only
IP65 explosion-proof and waterproof Zone 2 inverter is the most advanced DC to AC inverter, built in low frequency isolation transformer, IP65 industrial explosion proof rating enclosure, widely used in coal mines, wineries, chemical plants. Application: 1. Zone 1& 2 Hazardous locations, such as: underground coal mines, wineries, chemical plants, etc. 2. Environment with IIA, A A IIB, IIC types of explosive gas, such as: Flour mills, Aluminum powder plant, Metal mine factory, Graphite factory.etc. 3. Indoor (IP54) or outdoor(IP65) 4. Low noise/ Silent working mode 5. Explosion proof/ Spark-proof/ Waterproof/ Anti-dust/ Shock-proof. Features: 1. Durable: 4.0 thick steel plate seamless welding, surface spray, beautiful appearance. 2. Explosion proof rating: Explosion-proof standard is EXdIIBT4. 3. More reliable: Built-in low frequency isolation transformer, strong ability of anti-interference. 4. Widespread application: DC to AC, Single phase to Three phase, High voltage to Low voltage or Low voltage to High voltage. 5. Pure sine wave output, quick instant response speed 6. Excellent performance of taking load, it can take a variety of loads, such as: halide lamps, motors, welding machines, precision machine tools, fluorescent lamps, energy-saving lamps, etc. 7. Powerful protection functions: With over-current, over load, under voltage, over voltage, short circuit, over heating and other protection. 8. High protection class: With good performance of anti-dust, waterproof,shockproof. 9. 100% full power output: Can be 7* 24 hours continuously working 10. Accept customized: Can be customized according to customers' requirements. 11. Adopted the sixth generation IPM intelligent power module from Mitsubishi,high efficiency and stable performance, intelligentized, modular, simple structure design, very easy and low cost for future's maintenance. 12. Advanced functions: 1) Setting flexible: The DC input voltage range, output voltage, output frequency all can be set. 2) Two kinds of work mode: Can add AC bypass input(Optional), Battery priority, AC bypass as back up or AC bypass priority, battery as back up. 3) Two kinds of start mode: Variable frequency start and Step down voltage start. with stronger capacity to drive inductive load. 4) RS485 remote monitoring(Optional) 5) Big LCD color screen display, modular structure very easy for future's maintenance 6) High efficiency > 94% and low loss, design service life > 15 years.
SANDI SDP series Pure Sine Wave Inverter is the one of the most advanced technology DC to AC conversion products in the world, it's suitable use for areas without electricity, providing a complete power solution for strict demand applications. With SVPWM technology it has high conversion efficiency, high instantaneous power and low losses power output pure sine wave, applying to capacitive, inductive and nonlinear mixed-load, with superior load capacity, perfect protection function: overload, short circuit, low/over battery voltage, improper operation etc, which wonâ??t cause mechanical failures. This Inverter is very suitable for solar power systems, the inverter can supply AC power to all kinds of electric equipment, air conditioners, electric motors, refrigerators, fluorescent lights, televisions, electric fans and other industrial power supply. Technical Features: 1, The core components are all imported, adopting the sixth generation IPM module from Mitsubishi, which has stable performance, long service life, strong protection functions and convenient replacement and maintenance. 2, Adopt the central processor DSP28335 chip from American TI Company, respond quickly and accurately, and provide stable and clean power for the load to provide protection. 3, The whole machine adopts modular design and plug-in design, which is convenient for maintenance and reduces the hidden cost of machine failure to repair. 4, According to the product configuration conditions, adjustment the system usage mode: DC(Battery/Solar) priority or AC mains bypass priority can be set. 5, Two kinds of start mode: Reduction Voltage Start and Variable Frequency Start. Customers can set start mode according to the type of their load. This function is very convenient for users and also reduce frequency converterâ??s usage, which reduced the cost of equipment investment, easy to connect wires and control. 6, The output voltage can be set between -40 % to +20 % of rated voltage. And the output voltage is very accuracy + 1%. 7, The DC input voltage range can be set. Over-voltage point, under-voltage point, over-voltage recovery point, under-voltage recovery point all can be setting via the LCD panel. 8, Output AC Power is suitable for all types of electrical equipment, CNC machines, electric tools, motors, pump and air conditioner etc. It has higher efficiency and higher capability of driving load. 9, Humanized safety design, using isolation transformer design, input and output are completely electrically isolated, input and output are equipped with circuit breakers, which saving costs for the user and easy to installation, the electric parts are completely closed to prevent electric shock.
