Answer Posted / ramarao

It is a voltage operated device it comprises a control switching system together with a voltage sensitive trip coil on installation .this coil connected between the metal work to be protected and as good on earth connection as possible.

1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11185

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1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

2003

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operation of protection relay watchdog contact?

2405

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If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2591

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is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1398

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What are the function of different components of servo motor?

2046

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I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.

1730

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what is control supply rating of a machine

1987

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what is mean by Digital Logic Meter (DLM)

2383

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What is the main cause of magnetism?

2092

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limitation of conductor height on ground when we consider EMC

2048

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What is ST and specify its range of voltage.

1973

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WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

2502

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design a 3 bit synchronous and asynchronous counter using T- flipflop

2007

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Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1905

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