Minggu, 10 Juli 2011

Distribution transformers and parts


The distribution transformer is a very important component in the distribution of electricity from distribution substations to consumers. Damage to the Distribution Transformer cause kontiniutas customer service will be disrupted (occurring power outages or blackouts). Blackout is a loss which causes the generation costs will increase depending on the price of unsold KWH. Selection of Distribution Transformer rating is not in accordance with the needs of the load will cause the efficiency to be small, as well as the placement location of distribution transformers are not suitable influence on the consumer end of the voltage drop or fall / voltage drop in the end of the channel / consumer.

Transformer or transformer is a component of an electromagnet that can transform high voltage to low or vice versa within the same frequency. Transformer is the heart of the distribution and transmission are expected to operate up to (work continuously without stopping). In order to function properly, eating the transformer must be maintained and cared for properly using the system and the right equipment. Transformer can be distinguished by its power, transformer 500/150 kV and 150/70 kV transformer called Interbus Transformer (IBT) and the transformer 150/20 kV and 70/20 kV distribution transformers are called. Transformers are generally grounded at the neutral point according to the need for system security or protection. For example, 150/20 kV transformer is grounded directly in the neutral 150 kV and 70/20 kV transformer is grounded by low resistance or high resistance or directly on the side of the neutral 20 kV.
Distribution transformers and parts

Parts of the distribution transformers are:
Primary winding
Secondary winding
Core

Distribution transformer serves to lower the tension 20kV medium voltage distribution transmission so that the equipment is 220/380V transformer unit (3 phase).

Some Components Distribution Transformer

1. Tertiary coil:

In addition there are several primary and secondary transformer coils are equipped with a third or tertiary winding. It is necessary to obtain tertiary voltage or for other needs.

Tertiary coil is often used also for connecting auxiliary equipment such as condenser Synchrone, shunt capacitors and shunt reactors.

2. Cooling medium:

Transformer oil should qualify them. :

a. insulation resistance (> 10kV/mm)

b. Density should be small

c. Low Viscosity

d. A high flash point, not easily evaporate who may harm

e. Not damage the insulating material at t (sifatkimia 'y)

3. Tap changer (tap changer):

Tap Changer is the change ratio of the transformer to obtain the operating voltage of the desired secondary voltage network / primary changes. The tap changer can be operated either in a state under load (on-load) or in a state unburdened (off load), depending on its type.

Distribution transformers can be mounted outside ruanga (outside installation) and can be fitted the room (fitting in) depending on the state of the load location. Maintenance is one kompanen that directly supports the reliability, power and quality of production capable of an equipment. Maintenance is not just a physical work that directly to the equipment concerned, but we need a good planning and supervision of its implementation, so that maintenance will be done regularly and in accordance with the provisions, directives applicable to the equipment concerned.
Appropriate distribution, rating according to the needs of the load will keep the voltage drop in the consumer and will increase the efficient use of distribution transformers. So the distribution transformer is one of the equipment that needs to be maintained and used as possible (as efficiently as possible), so the reliability / continuity of service to be guaranteed.

9 komentar:

  1. Distrubution Transformers

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  2. VIJAY POWER CONTROL SYSTEMS., as a manufacturer of Distribution, Power, Special Type Transformers upto 10 MVA, 66 KV Voltage Class and Dry Type Transformers upto 3.15 MVA, 33 KV Voltage Class, has been part of Transformer Industry since last 15 years.



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  3. Sri Sai Ram Power Controls as a manufacturer of Power Transformers, Distribution Transformers, Furnace Transformers and Dry type Transformers has been part of Transformer Industry in India.



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    BalasHapus
  4. Power Transformers Manufacturers

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  7. The topic about
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  9. Distribution transformers are normally located at a service drop, where wires run from a utility pole or underground power lines to a customer's premises. They are often used for the power supply of facilities outside settlements, such as isolated houses, farmyards or pumping stations at voltages below 30 kV.
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