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

0 Answers  

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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What is meant by SPS Aluminium pipe in substations? Anyone knows whats this?

1 Answers   Amec,

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what is the voltage equation of 240/12 v transformer??

1 Answers  

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

0 Answers   K-Electric Limited,

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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Currently what is the highest capacity (MVA) of SPPg generator available in the market?

0 Answers   SPPG,

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In the UVR(Under Voltage Relay) there is a knob for the hysteresis setting. what is this setting? its threshold is given from 5% to 50%. please help me....

2 Answers  

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what is our body resistance value?

11 Answers   Bhel,

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Why generating voltage is limited up to 22kV?

4 Answers  

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What is the actual calculation for transformer short circuit test?.

0 Answers  

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Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?

0 Answers  

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