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My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?
6 9118When Alarm report at LED,Alarm volatge is 11-13 Volt But LED is of 3 volt.then why not it burn?
1888Why not LED burn after showing alarm,as Alarm volt is 11- 13,But LED is of3 volt,why it isnt Burn??
1 3525Why no-load primary current is very small as compared to full load current in transformer (as 1% of full load current?
NTPC,
5 21093What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.
4 10191how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me
ME,
2266Post New Electrical Engineering Questions
how to select the double earth conductor if 21A full load?
How to determine alternating current frequency?
Why back emf used for a dc motor? Highlight its significance.
how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?
How does HT work & Voltage required?
what is subtransient , transient and steady stateac components
What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer
witch pump used in wtp
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
Currently what is the highest capacity (MVA) of SPPg generator available in the market?
i want to know that what is the eligibility critaria for ongc exam?
explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.
What happen Grid EARTH plat got cut.
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?
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?
