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Why Gensets

Where can Gensets be used?

All places where electricity is required, are suitable applications for using Gensets

What does a Genset consist of?

A Basic Genset consists of an engine and an alternator coupled to each other and mounted on a common base frame along with batteries, fuel tank, manual control panel and silencer.

Which are the various types of fuels that can  be used?

As  a general rule, Gensets below 1500kVA can run only on HSD. Special 1500 RPM  engines are available for alternate fuels like natural gas and also for dual  fuel applications where a combination of diesel and gas can be used.For heavy fuel application (LDO, furnace oil, LSHS) low RPM engines are  available and these and generally of higher ratings, i..e 0.7 MW and above.  These Genest installations are much more expensive than 1500 RPM sets. They are  installed at locations where continuous power is required.Bio gas, wood gas, gobar gas, etc., are not directly compatible for use with  our engines.

What are the required approvals to run a  Genset?

To install and run a Genset, permission is required from the following  authorities Local Electricity  Board  In most States, it is necessary that the Genset capacity should be  equal to or less than the sanctioned load for the location at which it is being  installed.Electrical  Inspectorate This approval is required as it confirms that the installation,  cabling, earthing, etc., have been carried out as per the Central Electricity  Rules applicable to all electrical applications in India. Central Pollution  Control Board  For obtaining this approval, the exhaust gases of the Genset  have to be discharged at a particular height above the building housing the  Genset, so that the exhaust does not cause pollution.

Which are the various types of panels  available?

A  standard Genset is usually supplied with a manual control panel. In this case,  the engine is started from it s own control panel and after the rated speed and  voltage have been attained the switch in the manual panel is put on to connect  the Genset to the load.

 For special applications various other panels can be made to order and some of  these are as follows:

AMF application :In these panels, the mains/ Electricity Board supply is monitored and in  case of power failure, the Genset will start automatically and the load will be  transferred to the Genset. When the Mains supply is restored, the load will be  transferred back and the Genest will be shut down after a short cooling down  period.AMF panels can be  relay operated or PLC operated and options of auto start, auto changeover, no  break change over etc. are also available.

Synchronising  panels : In some cases it may  be necessary to run two or more Gensets in synchronism with each other. This  may be required due to various reasons like high start-up loads, major  variations in load during peak / non-peak hours, limitation in capacity of  gensets etc. For these kind of applications, synchronising panels can be  provided. These can be simple or very sophisticated viz. fully automatic  depending on customer needs.

Where are Acoustic Enclosures required?

Due to the increasing emphasis on pollution of various kinds affecting  citizens it has become mandatory in most major cities for all new genset  installations to be provided with some kind of noise reducing systems. This can  be either achieved by providing acoustic treatment to the walls of the DG room  or by installation of an Acoustic Enclosure over the Genset. Both options are  available and the feasibility at each location has to be checked and the best  option selected.

Who does the installation and what are the  prerequisites?

Installation of Gensets can be carried out by end user / his contractor.  Necessary guidelines and drawings for the installation of various auxiliaries  and accessories will be provided by us. Commissioning of the Genset after  installation has to be carried out by our engineers, to ensure that the  installation meets the necessary engineering standards.

Who takes care of after sales service?

Diesel  Power international has service engineers who are always available to attend to  any problems that you may face with your genset. M/s. Ashok Ley Land Limited  and M/s. Kirloskar Electric Company Ltd.also has a network of authorized and trained  service dealers all over India and their offices will provide after sales  service for both engine and alternators respectively, installed in their areas.

What is the applicable guarantee for the  genset?

The  engine and alternator are guaranteed for 24 months from the date of despatch  from our Works or in case of engine, number of run hours, which ever is earlier  is taken into consideration for warranty purpose ( Pls refer booklet issued  with genset for engine / alternator warranties ). The other components; i.e.  battery, control panel are warranteed for 12 months from date of despatch.

What spares should be stocked?

ince  there is a large network of dealers and offices all over India, necessary  routine maintenance spares do not need to be stocked by the end user, these are  readily available. Failure of any major equipment will require the  engine/alternator to be either repaired at site by qualified engineer  /technicians or will have to be shifted to the closest authorised workshop.  Even in this case no spares need to be stocked by the end user. Minor items  like indicating lamps, fuses, top-up oil, grease, etc. are generally available  with the maintenance team at factories or can be procured from the closest  hardware store.

What is the general maintenance schedule?

All  filters, fuel, lub oil, bypass, etc. along with lub oil have to be changed  after every 500 hours of operation or six months, whichever is earlier. Besides  this, the general daily, weekly, and monthly checks should be carried out as  per the manual supplied along with the genset.

What are the guidelines for understanding the  specific rating of the DG Sets?

Stanby Power Rating:Applicable  for supplying emergency power for the duration of the utility power outage. No  overload capacity is available for this rating. Under no condition is an engine  allowed to operate in parallel with the public utility at the Stanby Power  Rating.This  rating should be applied where reliable utility power is available. A Standby  rated engine should be sized for a maximum of an 80% average load factor and  200 hours of operation per year. This includes less than 25 hours per year at  the Standby Power Rating. Standby Ratings should never be applied except in  true emergency power outage. Negotiated power outages contracted with a utility  company are not considered an emergency.

Prime Power Rating:Applicable  for supplying electric power in lieu of commercially purchased power. Prime  Power Applications must be in the form of one of the following two categories :

Unlimited  Time Running Prime Power:Prime power is available for an unlimited number of hours per year in a variable load application.

Variable load should not exceed a 70% average of the Prime Power rating  during any operation period of 250 hours.

The total operating  time at 100% Prime Power shall not exceed 500 hours per year.Total operating time at the 10% overload power shall not exceed 25 hours  per year.

Limited Time Running Prime Power:Limited time Prime Power is available for a limited number of hours in a  non-variable load application. It is intended for use in situation where power  outages are contracted,such as utility power curtailmentEngines may be operated in parallel to the public utility up to 750  hours per year at power levels never to exceed the Prime Power Rating.The customer should be  aware, however, that the life of any engine will be reduced by this constant  high load operation. Any operation exceeding 750 hours per year at the Limited  time Prime Power rating should use the Continuous Power Rating.

Continuous Power Rating:Applicable  for supplying utility power at a constant 100% load for an unlimited number of  hours per year. No overload capability is available for this rating.

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