Product Center
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Dry Type Transformers
Level 1 Energy Efficiency SC(B)18 Dry-type Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Level 2 Energy Efficiency SC(B)14 Dry-type Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Level 3 Energy Efficiency SC(B)12 Dry-type Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
View Details →Oil-immersed Transformers
Level 1 Energy Efficiency S(B)22 Oil-immersed Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Level 2 Energy Efficiency S(B)20 Oil-immersed Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Level 3 Energy Efficiency S(B)13 Oil-immersed Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
View Details →Compact Substation Systems
ZBW(F) Non-metallic Compact Substation
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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ZBW(J) Compact Substation
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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ZG Combination Transformer (Pad-mounted)
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
View Details →High and Low Voltage Switchgear
Medium Voltage Switchgear
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Low Voltage Panel AT-GCK1
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Low Voltage Panel AT-GGD
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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Low Voltage Panel AT-MNS
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
View Details →Impact Transformer
AC Dry-type Test Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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AC Oil-immersed Test Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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DC Dry-type Rectifier Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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DC Oil-immersed Rectifier Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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MV Conversion Short-circuit Transformer
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
View Details →Test Load Impedance Device
Low Voltage Impedance Device
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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35/10kV Impedance Device
Professional power equipment from Suzhou Antai Transformer Co., Ltd.
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DC Impedance Device
AT series DC impedance is used as load and current-limiting equipment for DC rectifier systems, DC power supplies and DC distribution systems. Composed of adjustable DC resistors, DC reactors or R-L combinations, it covers 48V-3000V DC with current up to 20kA. Suitable for rectifier factory tests, DC power supply tests, electrolysis system commissioning, battery discharge tests and DC switchgear tests.
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Medium-Voltage Adjustable Reactor
AT series medium-voltage adjustable reactor is used for inductive load regulation and short-circuit current limiting in 6kV/10kV/35kV test circuits and power systems. With multi-tap or air-gap adjustable inductance, it can be combined with resistive/capacitive loads for transformer tests, MV switchgear tests, reactive power compensation tests and harmonic filtering tests.
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DC Component Regulating Resistor
AT series DC component regulating resistor is designed to regulate and limit DC current components in power systems, including HVDC converter station grounding resistors, transformer neutral DC bias suppression resistors, and converter valve neutral grounding resistors. High capacity, high voltage, long-term stable operation, with adjustable resistance and high DC current withstand capability.
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Capacitive Load Device
AT series capacitive load device consists of multiple power capacitor banks with switching, measurement and protection units. It provides multi-step switchable capacitive reactive power for power equipment testing and power system applications. Widely used for capacitor bank tests, reactive power compensation tests, filter branch commissioning, transformer capacitive load tests and switchgear switching tests.
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Active Power Load Device
AT series active power load device consists of multiple pure resistor elements, switching control units, cooling system and protection devices. It provides adjustable resistive load with power factor close to 1.0 for AC/DC power supply, generator, transformer, UPS and inverter testing. Widely used for generator factory tests, transformer load loss measurement, UPS aging tests and data center diesel generator load bank exercises.
View Details →Voltage Conversion Device
Voltage Conversion Panel
AT series voltage conversion panel uses a fuse-switch disconnector combination. Multiple fuse-switch disconnectors are mounted on an insulating or steel panel for circuit sectioning, isolation and voltage conversion in power equipment test systems. Clear on-off indication, easy manual operation, can be combined with LV/DC impedance, capacitive/active loads and adjustable reactors to build test load circuits.
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Voltage Conversion Device
AT series voltage conversion device is a three-phase medium-voltage conversion and circuit switching equipment for power equipment test systems. It consists of insulator-supported busbars, multi-position changeover switches, optional current-limiting reactors and a steel frame. It realizes flexible conversion and isolation between 6kV/10kV/35kV test power supplies, DUTs and load circuits, often combined with LV/DC impedance, capacitive/active loads and adjustable reactors to build complete test load circuits.
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MV Line Disconnector
AT series MV/LV line disconnector is used for electrical isolation of lines, transformers, switchgear and reactive power compensation equipment in 6kV-35kV distribution systems. It has no arc-extinguishing capability and forms a clearly visible break gap after opening to ensure maintenance safety. Features porcelain insulators, three-phase horizontal arrangement, pneumatic or electric operating mechanism, simple structure, high current-carrying capacity and long mechanical life.
View Details →Temperature Rise and Characteristic Systems
Multi-Magnetic-Circuit System
AT series multi-magnetic-circuit system is a low-voltage high-current test power supply system designed for power transformer temperature rise tests and characteristic tests. It consists of a multi-magnetic-circuit transformer, voltage regulator, LV switching unit, measuring/protection system and control cabinet. It provides stable high-current output without directly short-circuiting the grid, meeting the long-term low-voltage high-current requirements of transformer temperature rise tests (short-circuit method).
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Complete Temperature Rise Steady Current Power Supply
The Complete Temperature Rise Steady Current Power Supply is an AC constant-current power supply system designed for temperature rise tests on transformers, switchgear and electrical components. It adopts automatic steady-current control technology to maintain stable output current despite load variations, providing long-duration, low-voltage, high-current test power for temperature rise testing. The complete set integrates voltage regulation, current stabilization, measurement display and protection units, suitable for transformer manufacturers, testing institutes and power laboratories.
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Complete Temperature-Rise Steady Current Load Bank
Integrated steady-current load bank for temperature-rise testing, load-loss measurement and short-circuit withstand verification of oil-immersed and dry-type transformers. Modular resistor/reactor design with PLC and HMI control, featuring stable output current, fine adjustment and comprehensive protection. Core auxiliary equipment for routine and type tests of power transformers.
View Details →Test Auxiliary Equipment
Artificial Neutral Point & Arc-Flashover Resistor
Integrated auxiliary test equipment for power transformers, instrument transformers and HV switchgear, comprising the artificial neutral point and arc-flashover resistor. The artificial neutral point is used for zero-sequence voltage and current tests as well as PT zero-sequence characteristic verification; the arc-flashover resistor is used for internal arc fault tests of HV switchgear and arc-flash simulation per IEC 62271-200. Adjustable parameters, reliable insulation, compact structure. Compliant with DL/T, IEC 60076 and IEC 62271 standards.
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Electrical Endurance Test Terminal Cabinet
Auxiliary interface and control cabinet for electrical endurance and making/breaking capacity tests of low-voltage apparatus such as contactors, circuit breakers, relays and switches. Provides multiple power ports, load interfaces and control circuits, working with life-test rigs for automated cyclic tests. Robust construction, neat wiring and safe operation. Compliant with GB/T 14048 and IEC 60947 standards.
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