HIND RECTIFIERS LIMITED Bhandup West, Mumbai, Maharashtra

Voltage converter raw material going waste. Hirect Power Supplies for electrostatic precipitators with their particularly high efficiency and control leads the way towards clean Environment.

Transformer protection unit are used to prevent submerged (Soil or water) metallic structures from corrosion. All submerged Pipelines (Oil, water etc.), concrete structure of bridges buildings sea ports etc can be protected from corrosion by doing CP.

Thyristor The converter grade thyristor range extends upto 4350Amps with PIV upto 2800V incorporating standard packages of 14" unf stud in to hat range to 3"in capsule type. The inverter range is divided into two distinct types. One meant for standard low frequency inverter upto 4350 amps and 2800 volts and the other for high frequency applications such as induction heating and high frequency welding. The high frequency range has thyristors upto 1200 amps with voltages upto 2000 volts., 'turn off' times as low as 10 microsecs.

Standard diodes in a variety of packages starting from M6 stud in top hat range to 3" in capsule types. In addition to rectifier diodes, a number of fast recovery diodes and other special devices with avalanche characteristics are available.

Silicon controlled rectifier for high frequency applications such as induction heating and high frequency welding. The high frequency range has thyristors upto 1200 amps with voltages upto 2000 volts., 'turn off' times as low as 10 microsecs.

Semiconductors a full range of heatsink assemblies using IEC Circuit configuration as well as custom design is available. Hirect Semiconductor device have gained a wide reputation for quality, in industrial, military and transportation application.

Semiconductor rectifiers of rectifiers for rolling stock application. High power electric locomotive, AC Electrical Multiple Units are powered by Hirect’s on-board or under slung rectifiers.

Semiconductor fuses are further examples of the extensive scope offered. The Division can draw on many years of extensive expertise in Electrical Engineering and Technology.

Semiconductor devices offer a comprehensive range in various packages. to complement this, a full range of heatsink assemblies using IEC Circuit configuration as well as custom design is available. Hirect Semiconductor device have gained a wide reputation for quality, in industrial, military and transportation application.

Semiconductor components are also catered. On-board Installation and Under-carriage slung version of rectifier sets are manufactured by highly trained work force and specially created infrastructure for a high degree of reliability in critical traction application.

Rectifier transformer Proprietary high voltage rectifier stack design consists of module cards with silicon diodes with RC protection across each diode to protect the bridge from the stored charge from the ESP. High impedance transformer with in-built current limiting choke.

Rectifier diode starting from 6Amps to 6000Amp It(av), with voltages upto 4800V(piv). These devices are offered in a variety of packages starting from M6 stud in top hat range to 3" in capsule types. In addition to rectifier diodes, a number of fast recovery diodes and other special devices with avalanche characteristics are available.

Power rectifier in a variety of packages starting from M6 stud in top hat range to 3" in capsule types. In addition to rectifier diodes,

Power modules The semiconductor junctions are electrically isolated from the base allowing common heatsinks and compact designs. The insulating materials used between chip and base is carefully chosen so that the impedance is minimised. The Hirect range extends upto 350 amps and 2200 volts and is available in Diode-Diode, Diode-Thyristor and Thyristor-Thyristor configurations.

Power converter are built on Technical known-how from our collaborators. It offers unique features like Natural cooling. AC Coach Inverter 25kVA.To keep pace with new technology. Hirect has entered into foreign technical tie-up for static converter for replacement of rotary arno converters of Electric locomotives manufactured and operated by the Indian Railways, A large number of 180kVA converters have been manufactured and installed. Hirect also offers 3 x 100kVA converters for the three phase electric locomotives.

Plating rectifiers of DC power supply system. Hirect offers a complete range of rectifier equipment of all such applications and provides engineering, design and technical support in choosing the right solutionequipment.

Oil cooled rectifier 3 phase 415V AC fed into motorized or hand operated oil cooled dimmer, regulator. Regulated output again connected, to oil cooled step down transformer with oil immersed diode rectifier.

High voltage transformer High impedance transformer with in-built current limiting choke, Electrostatic Shield between Primary and Secondary windings, Proprietary high voltage rectifier stack design consists of module cards with silicon diodes with RC protection across each diode to protect the bridge from the stored charge from the ESP.

High voltage diode in a variety of packages starting from M6 stud in top hat range to 3" in capsule types. In addition to rectifier diodes, a number of fast recovery diodes and other special devices with avalanche characteristics are available.

Electroplating rectifiers of DC power supply system. Hirect offers a complete range of rectifier equipment of all such applications and provides engineering, design and technical support in choosing the right solutionequipment.

Electronic equipment Fully static type of converter, does not contain any rotary items for power conversion, 3 Power outputs each 130 kVA for auxiliary motor loads & 1 battery charges output.

Electronic devices wide range of rectifiers for rolling stock application. High power electric locomotive, AC Electrical Multiple Units are powered by Hirect’s on-board or under slung rectifiers. Hirect rectifiers are also installed on board Diesel locomotives and Diesel-Electric Multiple Units.

Electronic appliances Illustrate Technical Institutions with latest trends in Power Electronics. Phase Uncontrolled Rectifier + Brake Chopper + 3 Phase Inverter.

Electro chlorinator in other industrial process like hydrogenation, electrolysis, chlorination. Such continuous process industries look for a reliable, economical and trouble free form of DC power supply system. Hirect offers a complete range of rectifier equipment of all such applications and provides engineering, design and technical support in choosing the right solutionequipment.