How much is the starting current for HPMV lamps. How many
lamps can u wire in a circuit

Answer Posted / hassan

I start=10 * In
for example
500 W HPMV lamp In =2.08 A & Istart=21 A

How many lamps ....?
This depends on the wire surface.
2.5 mm2 >>> 6 lamps
1.5 mm2 >>>> 4 lamps

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

1665


How to measure current and voltage in an ELV circuit

3606


what is the main difference between power devices and signal devices

1691


why d.c produces corrosion

1490


What is power factor why we should maintain the power factor unless what will happen

1254






why constant voltage transformer should be start without load? and if started then what will happen?

1607


State the formula for overall efficiency of thermal power station

2533


size of condotory fron voltage level

1719


what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

1674


we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1250


Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

1667


how much leakage current is allowed in MC61A L&T make relay?

3125


Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

1555


What is gain margin?

618


Comment on the working principle of operation of a single-phase transformer.

696