If you want high performance and long functional life of Transformer then proper Maintenance is best solution for you. Know How?


3 Ways to Extend the Life of Your Transformer

Transformer  is one of the most critical components for electrical network in plants. So for getting high performance and longest functional life of the power transformer, it is desired to perform maintenance services. For that purpose,  electrical  transformer also requires various maintenance actions including measurement and testing of different parameters of the transformer.

Transformers that carry a critical load, online fluid monitoring can be conducted. Some quality units on the market continuously monitor the gases,  moisture content with saturation levels. Every action in a transformer will migrate quickly to the dielectric fluid in the form of gases, moisture or both.

Although the problems are increasing, options for energized and de-energized maintenance exist. refine or develop your long-term maintenance programs..

Every person of  a organization is responsible for transformer maintenance, life assessment or both should consider proactively developing or implementing a strategies that accomplishes these objectives to ensure the safe, continuous operation of their electrical systems.

That means For smooth performance from a transformer or Gensets You need to perform some maintenance actions in regular basis. Sudhir sales & services are service providers for projects & maintenance “Under one roof”. With our PAN india network of local offices and partners.

Our service and support team is always close at hand to minimize downtime and keep your equipment running everytime, ensuring smooth operation.

Sudhir sales & services has fully qualified and experienced professionally trained service engineers that help customers to manage their overall operational cost by offering full after sales services & technical support, maintenance issues , operation & monitoring for 24 hours per day and 365 days a year.

we offers complete service packages with extended warranties tailored to suit the customer needs.

The regular checking and maintenance of Transformer is also known as condition maintenance. Hence by proper condition maintenance one can avoid emergency and breakdown maintenance.

Periodical Maintenance of Oil type  Transformer

Following electrical tests will provide some information:


    • Periodical checking/testing of insulation resistance values of transformer. meggar values measurement, pi value checking, magnetic balance testing. temp scanner testing & calibration, varnishing/h1v coating on required areas .
    • periodial oil inspection & tests, oil sample tests, as & when required with high vaccum & low temperature machine.
    • tap changer (OLTC) general servicing & complete overhauling.
    • cheks for any abnormality in sound , leakages , terminations & proper functioning of meters/guages.

Maintenance of Dry Type transformer

  • checking/testing of insulation resistance value of transformer. meggar values measurement,pi value checking,magnetic balance testing. temp scanner testing & calibration, varnishing/hv coating on required areas .
  • tap changer (OLTC) general servicing& complete overhauling based upon number of operations & wear & tear on moving & fixed parts of tap changer mech. calibration of TPI. main spring inspection & adjustment. drive mechanism cabinet cleaning.

Maintenance of Panels includes:


  • servicing of ACB with lubrication
  • greasing of all fixed & moving contacts & cleaning , checking oiling of tripping
  • mechanisms for proper functioning of ACB.


  • VCB servicing as per manufacturer recommendations.
  • tripping,testing through primary injection kit.
  • operational test through push button & TNC switch.
  • manual/auto operation of VCB.
  • complete cleaning of panel rack in/ out

To extend the life of your assets, Sudhir Sales & services provides preventive actions to be performed on-site aiming to maintain the performance of the Dg sets & transformer.

Are you looking for Service support or purchase information? For more information you can visit the website: http://www.sudhirpower.com/


Points you should keep in Mind before installing a generator




A generator is a machine that generates electricity by converting mechanical energy into electrical. It is important to know that a generator do not produce electricity. It converts the mechanical energy into electrical. The machines supply continuous power to industries and household. To enjoy the uninterrupted supply, proper maintenance is importance for a long run of the machine. Besides, doing proper servicing at a regular interval of time, there are lots of small things that should be kept on mind.  Power shortage is a common and can occur at an unexpected time causing lot of problems to business, offices and household needs. Many small details should be kept on mind before installing generators in your building, house and business.

Seeking Advice for Generators Needs ->

While considering for a generator installation there are few factors that a professional will say to you. These could be the size of your space, for how long there is an interruption of power and other points. The growing market of generators and wide range of options gives a chance to customer to choose according to their needs. Let take a brief look at these point and how imperative are these.

Building Space

Size matters, the bigger the size the huge will be power requirement.  For commercial usages the generators runs mostly on diesel and natural gas. Therefore, the size mattes because of the reservoir it can hold the fuel. Similarly, if your space area is limited you can go for a small machines. Sudhir Power deals in manufacturing  high quality diesel generators catering to diverse needs of markets. The possibilities are huge due to the growing market and wide range of option. Similarly, for your housing needs a single generator will serve the power requirement. So, one can imagine power needs heavily depends on the size of the building.

Appliance and Electrical Equipment’s

The individual should be clear about his/her usage of electricity and the number of electrical appliances consuming the electricity.  A professional will greatly help you in knowing the exact amount of power requirement.  Complete knowledge of your power requirement is essential and it can play a great role in longevity of your silent Genset. Consumption of electricity varies greatly


Power duration

For how long the power need of a particular business, building or household play a major role. Buying a Diesel genset that can supply power for 16 to 20 hour for a place such as hospital. Fuel reservoir is imperative; this will give you fair idea for how long the power will be supplied to your buildings. A industrial grade generator can provide electricity for a week to household.

Nature of Power

It depends on the type of business you are in, whether it require an uninterrupted or not.  Business like hospitals, data centers, laboratories and defense organizations all required continuous flow of electricity. Therefore, look out for diesel genset that can provide uninterrupted supply of electricity to the business.

In today’s world, generators play a great role in supplying continuous power supply to the business and household requirements.  Sudhir Power manufactures high quality of generators for industrial and household needs.


Transformer Technology state of art and trends of future development


Oil Type Transformer is a mature and technical product and its life story is closely linked to the history of the application of electrical energy starting in the last decades. Based on just one fundamental physical principle, the induction and the basic design features never changed since then. Transformer are needed to feed most of the equipment and apparatus of our daily use which from our personal and public technical environment as well as high power industrial equipment for diverse applications power to voltage range from VA to GVA and mv to MV. Owed to such flexibility the transformer is the most imp link for transmission and distribution of electrical energy from the producer to customer.


Whereas the basic design and principle of transformer – core windings, insulation system remain more or less unchanged there was a tremendous improvement of the specify design and properties in the past.

Transformers and oil have always been synonymous with electric power. Conventional Oil Type Transformers use mineral base insulating oil as the medium for cooling and insulation.

Optimum Design & Features

By using CRGO silicon steel mitred cores and paper enamel covered conductors, the units are made compact, resulting in lower losses, better regulation and longer life. Windings are designed to withstand sufficient thermal, dynamic and electrical strength induced during operation as well as under short circuit conditions. Winding on HT side is provided with sufficient end-turn reinforcement for extra  strength. Radial as well as axial clearances and cooling ducts provided for the coils add to the safety and uniform cooling of the windings and limbs.Each tank is pressure tested and the exterior surface is coated with primer and 2 coats of weather-proof paint. The interior is given anti corrosive protection with oil resistant varnish. Transformers are supplied with first filling of insulating oil conforming to IS-335/1 980

For more information you can visit website:www.sudhirpower.com

Concerning  the transformer for a long time economical consideration were limited to purchase price and loss evaluation with depreciation figures based on the long pay back. Sudhir Transformers is in operation in India and abroad since 1969, Manufacturing of power transformers is still mainly hand work done by skilled workers.

Customized Solutions

Voltage regulation is provided with winding tappings as per customer’s specifications generally at +/-5% of input voltage. As a standard, tap changing is effected by means of externally hand-operated ‘OFF CIRCUIT’ tap changing switch.

On Load Tap Changers (OLTC) with a variety of steps that provide optimum control can be offered. All tap changing switches have indicators and locking device. Special multi-tapping transformers are also in the product range, besides the special duty transformers.

Quality Assurance

Every transformer undergoes a series of tests throughout the manufacturing process, rightfrom raw material stage. All routine tests are carried out at our works as per IS 2026, lEC 60726 and other international specifications. Type tests for impulse withstand and short circuit strength etc., have been conducted on representative ratings and voltage classes, at approved national test houses.

Sudhir Transformers has Seven ultra modern state of the art manufacturing plants stategically located  in Silvassa, Athal, Jammu, Bangalore and Manesar serve over 40,000 customers.



Growing Dependency On Generators In Hill Stations


“Queen of Hills”, as Shimla was fondly called by the British is on the track of development. Its well-developed facilities, easy accessibility and numerous attractions make it one of Indian’s most popular hill-stations. But several times Shimla, Manali and Dalhousie these area cut off from the rest of Himachal Pradesh due to the heavy snowfall that snap the Electricity supply , power lines damage due to falling trees. no electricity supply, putting tremendous pressure on the government & Long power cuts further deteriorate the situations and this directly impacts the tourist business.

 “Bad thing is no electricity….Who cares!


In the prevailing situation local people and hotel & Resort bussiness have found alternative to become self-reliant in electricity. The use of a Diesel generator in Himachal Pradesh has increased tremendously in recent years. People, hotel business and tourist places are becoming highly depended on them. Long power cuts and frequent interruption are the causes behind the high sale of DG sets in the cites. They are a reliable source of power ensuring the individual using them regular a supply of power. They are available in different specifications and an individual can choose them according to their business and electricity requirement.

With advancement in technology they are becoming more efficient in generating electricity and can generate more electricity in less quantity of fuel. They can supply uninterrupted electricity for almost eight hours a day and support vital equipments such as air conditioner, lights, fans and other important machinery vital for smooth running of hotel business and offices.

Sometimes Rain lashes lower areas of Himachal Pradesh such as Dharamsala, Palampur, Solan, Nahan, Bilaspur, Una, Hamirpur and Mandi, bringing down the temperatures.

More than residents, it were offices and commercial establishments, which were affected severely by an unscheduled power cut as their working was hit towards the evening. Generators in Shimla today are synonymous with uninterrupted supply of power. Companies are manufacturing these machines are making their products more technologically advanced and user friendly. This is the reason that today the companies are manufacturing silent generator sets for their usage in offices and malls.

Not only diesel gensets are  being used in business and offices but also in household for supplying power. Mostly in household usage portable diesel generators are used, they can be easily set up and moved from one place to another. So the dependency of people has grown sharply in the recent years this shows the inability of government.

How the use of Diesel generators has grown significantly simultaneously with other develop cities. For more information you could visit the website: http://www.sudhirpower.com/

Future of Diesel Generator Rental Business in India


The growing demand for electricity is increasing sharply in industries with growing infrastructure and demand for mass production. The world-wide growth in industries in the last one decade has taken the overall industry to a great height. But with the growth, industry has demanded great amount of power which is surpassing the supply. Most of the industries are facing acute shortage of the power. Industries are looking out for various solutions that will quickly generate the power when needed. The answers to all the power worries are diesel generators. These diesel gensets are great alternative when it comes to the fulfilling the power requirement.

Unlike other developing countries Generator rental business is still in inceptive stage in India. The rental market for DG sets is expected to grow in future with the time of growing economy, when GDP grows demand for power increases simultaneously power rental bussiness too grow.


Worldwide major sectors, which gobble rental power are, Infrastructure, utilities, mining, oil and gas, shipping, telecom, major events and natural disasters.  Infrastructure is one of the catalyst of economic growth in india, this is where gesnset rental are in demand, besides rental generator is beneficial for short term projects.

Industrial usage of generator one should be rest assured that it will have to go through the robust usage. In terms of lifetime, the diesel generator lasts longer and gives superior performance on comparing it to other sets. Furthermore, storage of diesel is much safer when compare it to gasoline which is more explosive. Not only the manufacturing industry but also the service industry is also opting for the diesel ones that are silent and does not produce irritating sound that can cause hassle to work with.

The inadequate supply of power is becoming a great hindrance in the development of the industries. Allowing greater penetration of the generators for fulfilling the power needs. Companies manufacturing the gensets know the demand and are producing them heavily. The future of these machines depends on supply of power, as it totally depends on the electricity supplied by the government. Currently they are the only source of quickly generating the power for carrying out various activities. Today, these are not only used to run the machines, but also supply electricity to carry out the operation smoothly. In other words they have become lifeline for carrying out hassle free work in industries.

Sudhir Power , deals in various DG sets ranging from diesel to gasoline. How these gensets have become necessary for different industries when it come to fulfilling the uninterrupted supply of power. If your business is suffering from the shortage of power visit the website for all your solutions.

We supply a wide range of renal generator from 65 KVA to 3000 KVA at competitive rates, based on the client needs and its wide distribution network, we timely execute our rental service of diesel generators in industrial area of Bhiwadi, Bawal, Neemrana , Dharuhara, Faridabad, Gurgaon, Rewari, Narnaul, Rajasthan, Punjab, Gujarat and in Delhi NCR. The rental division not only caters to India but also in the UAE & Saudi operation, in addition to Dubai, Ajman, Abu Dhabi, Sharjah , Fujairah, Ras Al Khaimah, Umm Al Quwain.

Right buying decision facilitated by reliable Generator  set manufacturer & suppliers


Right buying decision facilitated by reliable Generator  set manufacturer & suppliers Interruption in electricity supply is a humdrum affair today. It is more common in many city in summers or winters when demand of electricity is high. No industrial unit is complete without power back-up facilitated mostly by Cummins power generators of high capacity. Today, residences, hospitals, institutes, factories, offices, trade buildings, and more premises use these engines for uninterrupted supply of electrical energy.

Before you buy such a system, it is important to know the details, specifications, benefits, and related paraphernalia that well meet the application purpose. Meeting a facility’s loads is not only facilitated by the KVA specification. There are various other features that need to be considered. Because every home or business is different so are the variances in the electrical devices and equipment used.

Quick check list:

Understand & analyse your power back-up needs, before deciding genset rating and specification

Evaluate the options of single large DG set v/s multiple small sets

Check technical & commercial benefits of system integration

Check the site conditions meet Genset’s requirements for optimal performance

shortlisted Genset brand has proven capability for supporting your Genset for next 15 year

Assess the likely maintenance costs or running cost

Check the service support availability for the Genset

Two types of these engines – portable and stand-by are used today. The latter variety is more widely used. While portable options are used temporarily used in areas where there is no electricity, stand-by alternatives are installed permanently outside a premise. Stand-by Sudhir gensets detect electricity outage automatically and accordingly get activated immediately. They are generally plugged to the main electrical line of a premise.

Selecting a Power Generating Set (Genset) is hardly a case of rough calculations. Every electrical system and place of operation has unique characteristics that depends upon frequency and duration of power outage and sequence of loading.

The Environmental Protection Agency regulators have enforced standards, making it mandatory for manufacturers to develop emission compliant engines to minimize air pollution. Engine emission data is incorporated in stand-by options; ensure that the engine you buy comply to appropriate emission standards. Consider manufacturing dates including tier levels. There are engines available in the market that are oversized but rated with lower tier levels; these are affordably priced. Buying these, you not only affect the environment but may be subjected to violation of code if inspected by the local authority. Look for DG set suppliers that deliver products with proper emission standards as per MOEF and other norms.

It is easily understood that fuel efficiency of a large Diesel Generator running at 40% load is always lower, as compared to a smaller Genset running at 80% load! Running a smaller Genset at such times saves you substantial fuel costs.

Your electrial back-up engine should be fuel efficient even at normal operating loads. It should deliver optimum performance without noise, meeting your long-term power needs without fail. Besides being incorporated with heavy duty features, its turbo-matching should be optimized. Durability and lowest life cycle costs should not be compromised. Choosing a reliable supplier can help you take the right buying decision.