diff.between servo motor and ac motor

2052

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2799

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2229

grr resistance & contrator malt continuous

2153

A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?

1793

derive DC RMS value for half wave rectifier?

3206

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

3150

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2182

how to calculate the conductor size for certain KV transmission line and distribution line?

2514

what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

2090

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2273

A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

2816

In a single how much maximum current and watts using

2162

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

2069

Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

1720