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  •  High current transformer

    Large current transformer is also known as current lifter. Current transformer is a special equipment specially designed and manufactured according to the electric power department and industrial and mining enterprises in electrical equipment test, such as switch, current transformer and other electrical equipment working current load test and temperature rise test. Depending on the volume and weight of the product, the product adopts split and integrated structure. It has the characteristics of stepless adjustment of output current, balance of current rise, wide range of load variation, reliable operation, simple operation and safety. It is an ideal equipment for industrial and mining enterprises to carry out the test of rising current or temperature. Single phase high current transformer parameters for reference! Operating conditions: working environment temperature: - 15 ° C ~ + 50 ° C, working environment humidity: 20 ~ 90% RH; working environment atmospheric pressure: 860 HPA ~ 1060 HPA; Storage / transportation temperature: - 20 ° C ~ + 55 ° c main technical features: rated capacity: ddg-50kva input voltage: rated voltage: 380V or 400V input current: output voltage according to actual voltage: rated voltage: 36V or 12V output current: according to actual voltage connection mode: V efficiency: ≥ 98% frequency: 50Hz / 60Hz insulation impedance: 25A less than 500m induced withstand voltage 125Hz / 800V / 60'insulation grade; Class H (temperature resistance 180 degrees) noise: ≤ 30dB temperature rise: allowable temperature rise 115K; impedance voltage drop: ≤ 4% structure; forced air cooling, temperature controller, according to customer requirements to achieve a certain temperature, fan automatic start protection level; tpoo anti-interference mode; copper foil isolation, shielding grounding; waveform distortion; no additional waveform distortion; electrical strength; Power frequency sinusoidal voltage 3000V, no breakdown and flashover phenomenon for one minute; insulation resistance (input and output to ground); test voltage at least 1000VDC; insulation resistance greater than 1000m Ω overload capacity; twice rated current

    model: DDG
    Power: 50KVA (customizable)
    Voltage: 380V 400V to 36V 12V (various voltages can be customized)
    texture of material: Copper wire
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  •  Three phase low voltage high current transformer

    Three phase transformer large current transformer is also known as current lifter. Current transformer is a special equipment specially designed and manufactured according to the electric power department and industrial and mining enterprises in electrical equipment test, such as: switch, current transformer and other electrical equipment working current load test and temperature rise test. Depending on the volume and weight of the product, the product adopts split and integrated structure. It has the characteristics of stepless adjustment of output current, balance of current rise, wide range of load variation, reliable operation, simple operation and safety. It is an ideal equipment for industrial and mining enterprises to carry out the test of rising current or temperature. Single phase high current transformer parameters for reference! Operating conditions: working environment temperature: - 15 ° C ~ + 50 ° C, working environment humidity: 20 ~ 90% RH; working environment atmospheric pressure: 860 HPA ~ 1060 HPA; Storage / transportation temperature: - 20 ° C ~ + 55 ° c main technical features: rated capacity: ddg-130kva input voltage: rated voltage: 380V or 400V input current: output voltage according to actual voltage: rated voltage: 36V or 12V output current: according to actual voltage connection mode: V efficiency: ≥ 98% frequency: 50 Hz / 60 Hz insulation impedance: 25A less than 500m induced withstand voltage 125Hz / 800V / 60 'insulation grade; Class H (temperature resistance 180 degrees) noise: ≤ 30dB temperature rise: allowable temperature rise 115K; impedance voltage drop: ≤ 4% structure; forced air cooling, temperature controller, according to customer requirements to achieve a certain temperature, fan automatic start protection level; tpoo anti-interference mode; copper foil isolation, shielding grounding; waveform distortion; no additional waveform distortion; electrical strength; Power frequency sinusoidal voltage 3000V, no breakdown and flashover phenomenon for one minute; insulation resistance (input and output to ground); test voltage at least 1000VDC; insulation resistance greater than 1000m Ω overload capacity; twice rated current

    model: DDG
    Power: 150KVA
    Voltage: 380V to 15V
    texture of material: Copper wire (5 years warranty)
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  •  Low voltage high current transformer DDG / SDG high current transformer

    Overview of low voltage high current transformer the high current dry type transformer is designed according to gb998-82 and GB / t14048.1-2000. Its success has filled a gap in China and effectively solved the problem that the three-phase current is difficult to balance due to temperature rise of various switches for a long time. It can be widely used in high and low voltage switches, isolators and combined electrical appliances. It has the advantages of simple wiring, fast three-phase current balance and high cost performance. High current dry-type transformer technical parameters: input power supply: AC 380V, three-phase, 50 Hz; output current mode: continuous adjustable; output current: 2000a-20000a; output waveform: sine wave; output terminal open voltage: 10V; current stability: 0.2% current waveform distortion thd 1% electric protection setting over-current and overvoltage Flow accuracy: each current can be smooth, stable and continuously adjustable, and the three-phase balance accuracy is higher than 5 degrees. Low voltage high current transformer is a special form of isolation transformer, which is divided into single-phase (DDG) and three-phase (SDG) series. Low voltage and high current is characterized by high primary voltage, low secondary voltage and high current. High current dry-type transformer is a special equipment specially designed and manufactured according to the current load test and temperature rise test of various switches, current transformers and other electrical equipment in electric power departments and industrial and mining enterprises. This series of products are mainly used in industrial and mining enterprises and electrical testing, welding equipment. If this series of products are used to adjust the load current of the tested products, it should be used together with the voltage regulator to achieve the purpose of smooth stepless regulation. This series of products are suitable for the power supply with rated frequency of 50 Hz. Some products are equipped with taps at the primary stage. Only the voltage can be adjusted after the power supply is cut off. The insulation and heat resistance grade of the series transformers is class F. The core of the product is made of cold-rolled oriented high-quality silicon steel sheets, and the coil structure is cylindrical, elliptical and rectangular. Depending on the volume and weight of the product, the dry-type low-voltage and high-current transformer adopts split and integrated structure, which has the characteristics of output current stepless adjustment, current rising balance, wide load variation range, reliable operation, simple operation and safety. It is an ideal equipment for industrial and mining enterprises to carry out the test of rising current or temperature. The products are manufactured according to GB 19212.5 or JB / T 8750-1998. Product model meaning: ordering requirements: indicate model, rated capacity (or output current), input and output voltage, three-phase need to indicate primary and secondary connection group (recommended connection group D / y), use environment temperature (standard 40 ℃), whether need protective cover and other conditions. Main technical parameters of low voltage high current dry type transformer: output current: 500 ~ 10000a (optional purchase); output voltage: 5 / 10V; input voltage: ac200v or 400V

    model: DDG
    Power: 0.1KVA~4000KVA
    Voltage: 380V/5V
    texture of material: Copper wire (5 years warranty)
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  •  Low voltage high current transformer

    Large current transformer is also known as current lifter. Current transformer is a special equipment specially designed and manufactured according to the electric power department and industrial and mining enterprises in electrical equipment test, such as switch, current transformer and other electrical equipment working current load test and temperature rise test. Depending on the volume and weight of the product, the product adopts split and integrated structure. It has the characteristics of stepless adjustment of output current, balance of current rise, wide range of load variation, reliable operation, simple operation and safety. It is an ideal equipment for industrial and mining enterprises to carry out the test of rising current or temperature. Single phase high current transformer parameters for reference! Operating conditions: working environment temperature: - 15 ° C ~ + 50 ° C, working environment humidity: 20 ~ 90% RH; working environment atmospheric pressure: 860 HPA ~ 1060 HPA; Storage / transportation temperature: - 20 ° C ~ + 55 ° c main technical features: rated capacity: ddg-100kva input voltage: rated voltage: 380V or 400V input current: output voltage according to actual voltage: rated voltage: 36V or 12V output current: according to actual voltage connection mode: V efficiency: ≥ 98% frequency: 50Hz / 60Hz insulation impedance: 25A less than 500m induced withstand voltage 125Hz / 800V / 60'insulation grade; Class H (temperature resistance 180 degrees) noise: ≤ 30dB temperature rise: allowable temperature rise 115K; impedance voltage drop: ≤ 4% structure; forced air cooling, temperature controller, according to customer requirements to achieve a certain temperature, fan automatic start protection level; tpoo anti-interference mode; copper foil isolation, shielding grounding; waveform distortion; no additional waveform distortion; electrical strength; Power frequency sinusoidal voltage 3000V, no breakdown and flashover phenomenon for one minute; insulation resistance (input and output to ground); test voltage at least 1000VDC; insulation resistance greater than 1000m Ω overload capacity; twice rated current

    model: DDG
    Power: 100KVA
    Voltage: 380V to 36V or 12V (customized voltage)
    texture of material: Copper wire (5 years warranty)
    See more > >
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