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IBDG-90KVA transformer

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IBDG-63KVA transformer

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IBDG-60KVA transformer

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IBDG-40KVA transformer

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IBZPZDPS-250KVA transformer

IBZPZDPS-250KVA transformer
IBZPZDPS-125KVA transformer

IBZPZDPS-125KVA transformer
IBZPZDPS-100KVA transformer

IBZPZDPS-100KVA transformer
0102030405
33Kv Oil ImmersedRectifier Transformer.jpg

33Kv Oil Immersed Rectifier Transformer

The 33kV Oil-Immersed Rectifier Transformer utilizes innovative insulation design and phase-shifting technology, achieving high-efficiency conversion through a high-quality cold-rolled silicon steel core and oxygen-free copper windings. Its unique boundary-extended triangle phase-shifting principle enables the formation of a multiphase rectification system, effectively improving the output waveform. Its compact size, low losses, and stable operation make it widely used in the metallurgical, chemical, and rail transportation industries, and it is a high-tech product that is being promoted by the state.

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    Product Details

    Model

    z ------ Rectifier

    S ------ Phase

    □ ------ Rated Capacity (KVA)

    /

    □ ------ voltage level (KV)

     

    Basic definitions and technical principles

    Rectifier transformers, a key component in power electronics systems, are specialized transformers designed specifically for rectifiers. Their operating principle follows the law of electromagnetic induction. They connect to the AC grid (typically 10kV or 35kV) through the primary winding (primary side), coupling the input power-frequency AC power to the secondary winding (secondary side) via the core's magnetic circuit. The multiphase AC output from the secondary side is converted to DC power (typically with an output voltage ranging from hundreds to thousands of volts) by a thyristor/diode rectifier bridge, providing a stable power supply for DC loads such as industrial electrolysis and traction power supplies. A key feature that distinguishes this device from conventional power transformers is its specialized winding design and harmonic mitigation structure, designed to meet the stringent phase balance and harmonic suppression requirements of rectifier systems.‌

    Product Structure‌

    ◆Adopting new insulator to enhance short circuit tolerance.

    ◆The core is made of high-quality cold-rolled silicon steel sheet.

    ◆High voltage winding adopts high quality oxygen-free copper wire and multi-layer circular structure.

    ◆All fasteners adopt special anti-loosening treatment.

    ‌

    Core technologies

    Adopting boundary extended triangle phase shift principle.

    Through multiple secondary windings with different phase shift angles.

    Can realize 9-phase, 12-phase and other multi-phase rectifier transformers.

     

    Performance advantages

    1.Effectively offset harmonic combinations and improve inverter output waveform.

    2.Small size, high efficiency, low loss.

    3.Significant savings in electricity consumption and operating costs.

    ‌

    Application areas

    Metallurgical Industry

    Chemical Industry

    locomotive traction

    Power transmission industry

    Technical parameter

    Rated capacity: 360/400/750/1000/4000 (KVA)

    High: 6/10/33KV

    Low Voltage: 0.6KV, or other

    Voltage range: ±5%

    Connection mode: Yd11/DY11/Dd0y11

    Rated Frequency: 50/60HZ