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  • Three-phase dry-type rectifier transformer

    Product description Dear customer, welcome to our company's website. Our products are directly produced by our company. The input and output voltages of the transformer can be customized according to customer requirements. The input and output voltages of some of our conventional transformers are listed below. Please refer to it, if you have any questions, please call our company, thank you! Telephone: 021-39508929 Input voltage: 12V 24V 36V 110V 120V 127V 200V 220V 230V 240V 270V 380V 415V 440V 460V 480V 600V 660V 690V 1140V (special voltage can be customized) Output voltage: 12V 24V 36V 110V 120V 127V 200V 220V 230V 240V 270V 380V 380V 440V 460V 480V 600V 660V 690V 1140V (special voltage can be customized) Technical parameters of three-phase rectifier transformer Three-phase dry-type rectifier transformer ---- Product overview: ZSG series three-phase dry-type rectifier transformer is an important part of rectifier equipment (belonging to dry type) Transformer), which forms a rectifier circuit system with various rectifier devices. In order to convert AC power to DC power, the rectifier transformer first converts the voltage of the AC power grid into a voltage of a certain size and number of phases, and then passes through a rectifier (rectifier) and outputs it to the DC drag device. Three-phase dry-type rectifier transformer ---- Applicable occasions: Rectifier transformer is a power transformer for rectifier equipment. Its task is to convert AC to a certain size and number of phases, and then rectify through rectifier components to meet the DC output. Requirements. In addition, the rectifier transformer also has the following functions: to isolate the rectifier equipment from the circuit of the power grid, ensure the safety of equipment and people, limit the short-circuit current, reduce the electromagnetic interference between the rectifier equipment on the power grid or other parallel-operated rectifier equipment, and suppress the Current rise rate of rectifiers such as thyristors. It is produced by our company using high-quality materials and advanced technology for many years. It has the advantages of moisture resistance and easy maintenance. It can penetrate into load centers and three-phase rectifier transformers. It is mainly used for AC 50-60Hz, and is widely used in electrolysis (electrolysis). , Frequency conversion, traction, DC power transmission, electroplating, spraying, electrical processing, charging, excitation, transmission, experimental equipment, lighting, machine tool appliances, medical equipment, mechanical and electronic equipment, rectifiers and electrostatic precipitators, and general industrial rectifier power supplies and other industries, Product performance can meet various special requirements of users. Three-phase dry-type rectifier transformer ---- Performance characteristics:? Stable gas performance: The product combines load characteristics with grid voltage fluctuations and atmospheric over-voltage conditions, and determines a reasonable and reliable insulation level and insulation model according to the load condition of the rectifier transformer. Ensure that the electrical performance of the product is reliable and stable. Product environmental safety factor ≥ 1.67. High dynamic stability: The winding of the product has high mechanical strength and strong anti-burst ability to meet the extremely harsh load environment. During the design and manufacturing process, the sources of dynamic instability caused by magnetic leakage of the transformer or abnormal transportation may be eliminated. The product has high dynamic stability. High impedance, 30% higher impedance than power transformers of the same capacity to suppress di / dt and effectively protect rectifier components. Good thermal stability: Advanced product design, strict control of the product's heating parts and * hot spot temperature rise, coils, leads using copper wire, low current density selection. Strong overload capacity: The product has strong overload capacity and over-voltage capability. The product design and manufacturing fully consider the load characteristics, and meet the overload requirements from various aspects such as temperature rise, insulation performance and accessories selection. The power saving effect is obvious, and the noise is low (<65dB). Simplified structure and beautiful appearance. Three-phase dry-type rectifier transformer ---- Use environment: ambient air temperature and altitude: the upper limit of ambient air temperature does not exceed + 40 ° C, the average value of ambient air temperature for 24h does not exceed + 30 ° C, and the lower limit of ambient air temperature is not lower than 5 ℃, the altitude of the installation site does not exceed 1000 meters, and the installation is in a place without severe vibration and shock vibration. Pollution level of atmospheric conditions: The relative humidity of the atmosphere does not exceed 50% when the ambient air temperature is + 40 ° C, and it can have a higher relative humidity at a lower temperature. * Wet monthly average ** Relative humidity is 90%, and the month The average temperature is + 25 ° C, and the condensation on the product surface is taken into account due to temperature changes; the pollution level is three; the power supply voltage: the allowable deviation of the power supply voltage is ± 5%; the installation site has no gas or steam that seriously affects the transformer insulation , Chemical deposits, dust, dirt and other explosive and corrosive media. For special use conditions that do not meet the above requirements, the user and the factory should discuss the matters needing attention: 1) Before purchasing, estimate the total capacity of the electrical appliances you use, and choose a transformer with the corresponding capacity to ensure that The transformer will be burned out; 2) Before installation, carefully check whether the parameters marked on the nameplate meet your requirements, and install it after confirming that it is correct; 3) After power-on, the transformer core and coil will heat up (but the temperature rise does not exceed 80 ℃) ) It is a normal phenomenon. If the temperature rise exceeds 80 ° C or smoke is generated, the power should be cut off and the capacity of the electrical appliances used should be rechecked. 4) During use, please pay attention to maintenance to protect the life of the transformer. 5) During transportation, it should be as far as possible Avoid collisions and do not get wet. Product standard JB / T 8636-1997 JB / T 2931-1999GB 6450-1986 GB / T18494.1-2001GB / T 10228-1997 JB / T 3924-1999

    ZSG Model: ZSG
    300KVA(可定制) Power: 300KVA (can be customized)
    AC380/DC48V(可定制各种电压) Voltage: AC380 / DC48V (various voltages can be customized)
    全铜 Material: All copper
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  • Single-phase rectifier transformer

    ZSG three-phase dry-type rectifier transformer is an important part of rectifier equipment (belonging to dry-type transformer), and it forms a rectifier circuit system with various rectifier devices. In order to convert AC power to DC power, the rectifier transformer first converts the voltage of the AC power grid into a voltage of a certain size and number of phases, and then passes through a rectifier (rectifier) and outputs it to the DC drag device. BKZ, ZSG series rectifier transformer is a combination of BK, transformer or SG transformer plus rectifier components. The transformer is suitable for 220V or 380V AC 50HZ power supply on the primary side, and the secondary side rectifies the DC output through a rectifier element, which changes the AC to DC. The rectifier transformer is connected to the AC power grid on the primary side and the silicon rectifier on the secondary side, also called the valve side. Its output waveform is not a sine wave. According to the requirements of the rectifier, the valve side connection methods are different. Full-wave rectification is made up of 2 diodes. Because the current directions of the two sets of the same power supply are opposite, during a period of the alternating current waveform, one diode is turned on and rectified during the positive half cycle, and the other diode is turned off. When the negative half cycle is turned off, the original Cut-off, that is, the full-wave rectified DC power is connected to each other. Common rectifier circuits are single-phase half-wave, single-phase full-wave, three-phase half-wave, three-phase full-wave (Y or △) bridge type, three-phase tortuous type (Zo shape) , Six-phase Y-shaped (middle point wiring), six-phase fork (also zigzag), six-phase Y-shaped parallel bridge (with balanced reactor), six-phase △ Y-shaped series bridge, twelve-phase four-zigzag With balanced reactor, six-phase Y-shaped or △ form, six-phase (twelve, twenty-four-phase) double reverse star with balanced reactor, or multiple sets of parallel bridge type, double reverse star circuit. The DC current can reach 25KA, and the DC voltage ranges from tens of volts to hundreds of volts. The valve side often uses the same-phase anti-parallel method to output the wires. Capacity: 0.5KVA-1600KVA Input voltage: 380V or 400V Output voltage: 48VDC 36VDC 24VDC 12VDC Rate of change of voltage: ± 1% Distortion of output waveform: No distortion (compared with input waveform) Insulation grade: F grade, H grade (normally H) Grade) Temperature resistance 180 ° Working efficiency: ≥98% Applicable frequency: 50 / 60Hz Connection method: Y / △ Overload capacity: Allows to work for more than 1.5 times the rated load for 1 hour (long-term full load) Noise: ≤35dB (within one meter) ) Temperature rise: ≤60 ℃ Insulation resistance: ≥150MΩ Electric strength: 3000VAC / 1min Design life: 20 years Working environment: Temperature: -20 ~ + 50 ℃ Humidity: ≤95% RH Non-condensing Workplace: Non-corrosive Gas and conductive dust safety standards: The product complies with VDE0550, IEC439, JB5555, GB226 and other international national standards

    BKZ Model: BKZ
    2KVA(可定制) Power: 2KVA (can be customized)
    AC220V/DC24V(可定制各种电压) Voltage: AC220V / DC24V (various voltages can be customized)
    全铜 Material: All copper
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  • Three-phase rectifier transformer

    ZSG three-phase dry-type rectifier transformer is an important part of rectifier equipment (belonging to dry-type transformer), and it forms a rectifier circuit system with various rectifier devices. In order to convert AC power to DC power, the rectifier transformer first converts the voltage of the AC power grid into a voltage of a certain size and number of phases, and then passes through a rectifier (rectifier) and outputs it to the DC drag device. BKZ, ZSG series rectifier transformer is a combination of BK, transformer or SG transformer plus rectifier components. The transformer is suitable for 220V or 380V AC 50HZ power supply on the primary side, and the secondary side rectifies the DC output through a rectifier element, which changes the AC to DC. The rectifier transformer is connected to the AC power grid on the primary side and the silicon rectifier on the secondary side, also called the valve side. Its output waveform is not a sine wave. According to the requirements of the rectifier, the valve side connection methods are different. Full-wave rectification is made up of 2 diodes. Because the current directions of the two sets of the same power supply are opposite, during a period of the alternating current waveform, one diode is turned on and rectified during the positive half cycle, and the other diode is turned off. When the negative half cycle is turned off, the original Cut-off, that is, the full-wave rectified DC power is connected to each other. Common rectifier circuits are single-phase half-wave, single-phase full-wave, three-phase half-wave, three-phase full-wave (Y or △) bridge type, three-phase tortuous type (Zo shape) , Six-phase Y-shaped (middle point wiring), six-phase fork (also zigzag), six-phase Y-shaped parallel bridge (with balanced reactor), six-phase △ Y-shaped series bridge, twelve-phase four-zigzag With balanced reactor, six-phase Y-shaped or △ form, six-phase (twelve, twenty-four-phase) double reverse star with balanced reactor, or multiple sets of parallel bridge type, double reverse star circuit. The DC current can reach 25KA, and the DC voltage ranges from tens of volts to hundreds of volts. The valve side often uses the same-phase anti-parallel method to output the wires. Capacity: 0.5KVA-1600KVA Input voltage: 380V or 400V Output voltage: 48VDC 36VDC 24VDC 12VDC Rate of change of voltage: ± 1% Distortion of output waveform: No distortion (compared with input waveform) Insulation grade: F grade, H grade (normally H) Grade) Temperature resistance 180 ° Working efficiency: ≥98% Applicable frequency: 50 / 60Hz Connection method: Y / △ Overload capacity: Allows to work for more than 1.5 times the rated load for 1 hour (long-term full load) Noise: ≤35dB (within one meter) ) Temperature rise: ≤60 ℃ Insulation resistance: ≥150MΩ Electric strength: 3000VAC / 1min Design life: 20 years Working environment: Temperature: -20 ~ + 50 ℃ Humidity: ≤95% RH Non-condensing Workplace: Non-corrosive Gas and conductive dust safety standards: The product complies with VDE0550, IEC439, JB5555, GB226 and other international national standards

    ZSG Model: ZSG
    200KVA(可定制) Power: 200KVA (can be customized)
    (可定制定做电压) Voltage: (can be customized voltage)
    全铜 Material: All copper
    See more >>
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