If we connect tapings to low voltage side, sparks will produce while tap changing operation due to high current. Q: In a Tap changing transformer where is the tap connected, is it connected in the primary side or secondary side? They work on the same principle of transformer, which is based on linkage of electromagnetic flux produced by primary with secondary. A: For lighting loads, neutral conductor is must and hence the secondary must be star winding.The lighting load is always unbalanced in all three phases. Q: What is the power factor of an alternator at no load? Mobility of heavy oil under reservoir conditions is of major concern, and reducing oil viscosity is an important factor in recovery efficiency. Solar and wind, while growing fast, still represent a considerably small slice of the fuel mix in the US and only generate electricity under specific weather conditions. While measures are being taken to incorporate more renewable energy sources, such as solar or wind, most fossil fuel dominates the world. While choosing a job in green energy sector, there are different fields you can select from.

In circuit where measurements of high voltage and high current is involved they are used there. Q: When voltage increases then current also increases then what is the need of over voltage relay and over current relay? To minimize the current unbalance in the primary we use delta winding in the primary. Q: Why Delta Star Transformers are used for Lighting Loads? So delta / star transformer is used for lighting loads. Q: Where should the lighting arrestor be placed in distribution lines? A: Near distribution transformers and out going feeders of 11kv and incoming feeder of 33kv and near power transformers in sub-stations. Secondly it is much easier to change the voltage of AC electricity for transmission and distribution. Initial voltage is built up by residual magnetism. Q: what is meant by insulation voltage in cables? A: We can have the frequency at any frequency you like, but than you must also make your own motors, high voltage transformers or any other equipment you want to use.

Employers are looking for workers who want a career instead of those after quick cash, but there are advancement opportunities once someone gets their foot in the door. We are all responsible for producing greenhouse gasses, so we should therefore all play our part in the reduction of them. Once the current passes through the tube the starter circuit will be out of part. A: A choke is connected in one end of the tube light and a starter is in series with the circuit. When supply is provided, the starter will interrupt the supply cycle of AC. If it is dc generator, it will supply dc to the rotory poles through slip ring and brushes (conventional alternator). Now there is no change of supply causes choke voltage normalized and act as minimize the current. Same system of the operation followed in PT but it is for measuring voltage. The same is true for consumers, who would lock in using derivatives when prices are low.

AC exciter is the ac generator whose field winding are stationary and armature rotates. It gives the starting torque to the generator. Particularly when a measuring device like voltmeter or ammeter is not able to measure such high value of quantity because of large value of torque due to such high value it can damage the measuring device. Focusing on maintenance and repair greatly improves the value of your home. 22. What is the maintenance procedure of Batteries? A: There are normally three types of power are counted in electrical power. For example, industrial blowers operating in corrosive environments are usually made of polypropylene because it provides greater structural integrity and corrosion resistance, and will never de-laminate. Thirdly the cost of plant associated with AC transmission (Circuit breakers, transformers etc) is much lower than the equivalent of DC transmission AC transmission provides a number of technical advantages. Technically speaking, the term Automotive Gas Oil (AGO) is the technical name used by the oil industry in describing this particular fuel.

They will provide you with all the services you need in order to make the most of jobs in the oil and natural gas industry. When a customer comes to us with a challenge, we strive to make improvements that benefit not only that individual, but also the whole industry. An overview of these figures are given in Tables 1 and 2. These figures, to a lesser or greater extent, are equally applicable to the petroleum industry wide activities. Many factors are contributing to the fuel cell push in the automotive market. Key emerging trends that are of marked importance to the oil and gas market in China include construction and expansion of LNG terminal, construction and upgrading of oil refineries, overseas investments and reliance on unconventional gas. Q: What are the types of power in electrical power? A: There are two types of exciters, static exciter and rotary exciter.