Whether separate EV meter connection is economical or not?
 Mr. XYZ of Ahmedabad city want to purchase an EV Car whose battery capacity is 45 kWh.
 He want to separate EV connection, whether it is economical or not?
 The family’s average monthly residential average consumption is 400 units. What is most economical option for family.
 Torrent power energy charges ( Rs. / kWh ) based on monthly consumption is given here.
First 50 units 
Next 150 units 
Remaining units 
Rs. 3.20 
Rs. 3.95 
Rs. 5.00 
 The Ahmedabad EV tariff charge of Rs. 4.10 per unit and considering no demand charge ( which is actually Rs 25 per kVA per month ).
 The monthly electricity consumption from EV charging is approximately 200 units.
 Therefore average electricity consumption per month is expected to be around ( 400 + 200 ) is equal to 600 units.
 Electricity charges only for energy charges slabwise
Pre EV Charging
( 400 units ) 
Post EV Charging
( 600 units ) 

Energy Charges 
Number of unit billed 
Energy charge 
Energy Charges 
Number of unit billed 
Energy charge 
Rs. 3.20 
50 
160 
Rs. 3.20 
50 
160 
Rs. 3.95 
150 
592.5 
Rs. 3.95 
150 
592.5 
Rs. 5.00 
200 
1000 
Rs. 5.00 
200 
1000 
 
 
 
Rs. 5.00 
200 
1000 


1752.5 


2752.5 
Separate EV Meter Connection
 The energy charges for EV connection is Rs. 4.10 per unit. Let us calculate total energy charges after separate EV meter.
Pre EV Charging
( 400 units ) 
Post EV Charging
( 600 units ) 

Energy Charges 
Number of unit billed 
Energy charge 
Energy Charges 
Number of unit billed 
Energy charge 
Rs. 3.20 
50 
160 
Rs. 3.20 
50 
160 
Rs. 3.95 
150 
592.5 
Rs. 3.95 
150 
592.5 
Rs. 5.00 
200 
1000 
Rs. 5.00 
200 
1000 
 
 
 
Rs. 4.10 
200 
820 


1752.5 


2572.5 
Mr. XYZ has energy charges of Rs. 2392.5 post EV Charging if he purchase separate EV meter. He has profit of Rs. 180 ( Rs. 2752.5 – Rs. 2572.5 ) per month after installation of EV meter.
What do you mean by Inductor and Inductance? What is solenoid? How it works? 
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