Answer / uttam lal

to reduce the core losses in transformer. core loss is the sum of hystersis and eddy current loss

Answer / b.deepika reddy

To suppress the core losses/constant losses/Iron losses..especially Hysteresis losses..
Hysteresis +Eddy current =Iron losses

what is there inside an inverter and how it works?

0 Answers  

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ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

0 Answers  

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When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

1 Answers   Shasun Chemicals,

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 Answers  

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what is mean by flux

2 Answers  

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What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

0 Answers   ITC Infotech,

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In short transmission line,why does the receiving end voltage is less than sending end voltage?

4 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers  

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what are the main differences of delta and star connection

5 Answers   Essar,

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what is appearent power?

3 Answers  

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How many input terminal of single phase transformer.which is use for rural power distribution.

1 Answers   RMSI,

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