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Auxiliary Inverter Motors

Auxiliary Inverter Motors

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Three types of motors are used for different functions in the locomotive.
- 1.5 HP Fuel Pump Motor with pump.
- 0.87 HP Dust Exhauster Blower Motor with blower.
- 0.5 HP Crank Case Blower Motor with blower.
These inverter motors are protected for input under voltage, input over voltage, output overload, output short circuit, input reverse polarity, over temperature. Surge protection as per IEC
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Medha Servo Drives Private Limited

Hyderabad, Telangana
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Product Description

Three types of motors are used for different functions in the locomotive.

  1. 1.5 HP Fuel Pump Motor with pump.
  2. 0.87 HP Dust Exhauster Blower Motor with blower.
  3. 0.5 HP Crank Case Blower Motor with blower.

These inverter motors are protected for input under voltage, input over voltage, output overload, output short circuit, input reverse polarity, over temperature. Surge protection as per IEC 571.
Inverter module is divided into two sections.

1.Booster section:
It is used to generate stable DC link voltage for PWM inverter, which is independent of input voltage variations. The switching element of the Booster circuit consists of MOSFET module. All features of booster are monitored and controlled through DSP.

2.Inverter section:
It uses three half bridge IGBT phase modules and a DSP control card. DSP controller circuit generates the inverter PWM signal for IGBTs to synthesize a Sine Weighted PWM voltage with required output frequency. The control card is responsible for overall system control through status monitoring, diagnostics and PWM waveform generation for inverter.


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Auxiliary Inverter Motors

Company Details


About the Company

Year of Establishment1984
Legal Status of FirmLimited Company (Ltd./Pvt.Ltd.)
Nature of BusinessOEM Manufacturer
Number of Employees1001 to 2000 People
Annual TurnoverRs. 1000 - 5000 Crore
IndiaMART Member SinceMay 2003
GST36AABCM3917A1ZY

Medha Servo Drives Pvt. Ltd., founded in 1984, is focused on rail transportation. Since inception, Medha has used Research and Development as a tool for success and today we are proud to be known for our product range, domain knowledge, design expertise, quality and manufacturing capabilities. Starting from humble beginning, over the last 25 years our company has grown to employ over 1100 talented people whose commitment has led to a sales revenue of INR 1.7 billion (approximately USD 34 million), with the revenues growing at the rate of 88% year over year for the past three years. Medha¿s vision is to become a world leader in railway products and to achieve this we specialise in three areas, Control Electronics, Power Electronics and safety critical Signalling.

We have designed and manufactured various world-class high-tech electronics products for application on locomotives, coaches, railway stations and yards. We specialise in designing and engineering our products to withstand shock and vibration, wide temperature variations, and electrical disturbances that are typical of harsh locomotive environment. Our strength lies in designing, customising and integrating systems that involve multiple functional domains such as control electronics, power electronics, fail safety and mechanical construction. Medha¿s Design Centre is 250 people strong and has all the infrastructure required for developing sophisticated products. Medha has also achieved CMMI Level 3 certification for well defined design processes for new product development. We are currently working towards CMMI Level 5 certification by further improving our design processes.

At Medha, our products, our people and our approach to business are held to only the highest standards. We build quality into our products by following well designed processes and implementing end-to-end manufacturing. We profoundly believe in professional management at all levels and strictly follow Quality Assurance System as per ISO 9001:2000 standard. Medha was awarded ISO 9001:2000 certificate by American Quality Assessors accredited by ANAB and established a reputation for quality products and excellent after sales service. Since our foundation, our quality policy has been, ¿To provide products meeting customer satisfaction with excellence in performance and cost effectiveness through a continually improving Quality Management System¿.

Medha¿s motto being ¿translating technology into innovative solutions¿, our employees believe in making our customers¿ lives better by designing better products and improving existing products. To us, the idea of innovation extends beyond building a product. We continue to train our customers and service the product throughout the design life of a product (typically 10 ¿ 20 years).

Medha¿s Corporate Office, Manufacturing Unit and Design Centre located in three different areas are built over a combined area of about 13 acres of land in the heart of industrial areas near Hyderabad, India. These state-of-the-art facilities encompass the capability to design, develop, manufacture, service and provide in-field product support.

In 2007, Medha started a charitable institution by the name of ¿Medha Charitable Trust¿ for the upliftment of poor students. It is the goal of the trust to improve the lives of these students by supporting them throughout their education and helping them become self sufficient in the long run. The trust has touched the lives of more than 94,000 students in various schools within the first two years of its establishment.

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Seller Contact Details

Y. Yugandhar Reddy

P-4/5b, I. D. A, Nacharam
Hyderabad
Hyderabad - 500076, Telangana, India

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