Answer / benchmark pakistan

No the surge can't effect solar panel coz mostly solar
panels has revers current protection,

A diode used in solar panels to protect the panel from
revese current generated from rectifiers, batteries or any
other source either surge, so solar panels remain safe,

but the surge can effect others equipment powered by solar
panel if there proper earthing is unavailable or surge
protection devices or not installed.

In Siemens S7-300 PLC, what is funtion and funtion block ? What is the difference between them ? When to use function and when to use function block

2 Answers  

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sir vizag steel ka junior trainee ka paper kitne number ka ayega

0 Answers   Vizag Steel,

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Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

3 Answers   Khidmah LLC, Precision Camshafts Limited,

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for 500mw power production how many range of transformer set in unit please reply if three transformer use .

2 Answers  

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Define steady state error.

0 Answers  

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What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

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What is meant by Floating Neutral? how to prent

7 Answers  

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I have two power supply.a)govt. power b)Captive power.3 phase load connected inside factory.when source change govt. source to captive some motor rotate reverse. Is phase sequence changes when if off & on?If I off generator & on it again is it possible to get changed phase sequence??

4 Answers   ABB,

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What is ELR, and where it is used ?

7 Answers   KSEB,

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What is the difference in Line PT & Bus PT.

3 Answers   Bhel,

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Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

0 Answers   UCC,

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What the main causes of transient interruptions on Over-Head Distribution Lines?

0 Answers   Orion Laboratories,

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