What can a 1KW connection single-phase run?

sinnersaint

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Aug 11, 2009
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Hello

I'm planning to get a separate meter at my residence since a few people have told me it helps in redeuction of bill (less units per bill, hence the cost reduction). However, these days KE is not installing new connections (kaam na karne ka bahana chahye is qoom ko? :p )

I was thinking of going for a 1KW single phase meter with the new connection. Can someone please guide me what can a 1KW-single phase run or direct me to a website which has this information? Google is not being helpful...
 

manigamer

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Jun 28, 2007
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On earth...Lahore
1KW = 1000W , If you are using 1 Kw power ( sum of all loads including lights/fan TV etc., if switched on and working at the same time) for one hr your consumption will be 1 Unit . Supposing your particular equipment load is 500watts or 0.5KW then it will consume 1 Unit in 2hrs .

https://www.quora.com/How-many-units-are-in-1-kw
 

aura

Proficient
Apr 5, 2009
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KARACHI
you get connection, you get to decide how many KWh you will be utilizing. you can have 3KWh appliance running on it, no problem
only thing which will change is your security deposit for sanctioned load. initially you had connection for 1KWh but if you go above it sanctioned load reached will be updated and you will be charged on time for 2KWh security deposit and so on.
on 1KWh you can run 1 ton ac, if you have multiple refrigerators, shift load, if you have ground+1, separate load on floors etc. uptp you.
one thing which digital meters is you can turn off all appliances and run one by one and record their consumption by looking at reading 5 on meter (instantaneous load). so you can use this info to shift load.
tip: do use this method to record consumption of ceiling fans. if you have old ones even pre 2000 they will be having above 100 watt consumption. change them one by one if fans run for around 18+ hours one by one. you will get cost returned in one summer season and will save you in the longer run.
 

sinnersaint

Well-known member
Aug 11, 2009
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you get connection, you get to decide how many KWh you will be utilizing. you can have 3KWh appliance running on it, no problem
only thing which will change is your security deposit for sanctioned load. initially you had connection for 1KWh but if you go above it sanctioned load reached will be updated and you will be charged on time for 2KWh security deposit and so on.
on 1KWh you can run 1 ton ac, if you have multiple refrigerators, shift load, if you have ground+1, separate load on floors etc. uptp you.
one thing which digital meters is you can turn off all appliances and run one by one and record their consumption by looking at reading 5 on meter (instantaneous load). so you can use this info to shift load.
tip: do use this method to record consumption of ceiling fans. if you have old ones even pre 2000 they will be having above 100 watt consumption. change them one by one if fans run for around 18+ hours one by one. you will get cost returned in one summer season and will save you in the longer run.
Thanks bro, any idea if running 1Ton AC, 1 medium Fridge, 1Fan and 1LED and some small equipment like laptop/charging phone etc equals load of 1KW? I'll definitely check the meter once I get the connection.

As for the fans, how much watts do the new ones consume? I think new fans cost around 4k or something? Which company should one go with if you have any idea...
 

aura

Proficient
Apr 5, 2009
538
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KARACHI
normal fan wattage is around 80 watt of reputable brand e.g royal fanss, GFC, super asia. price range from 3800-4400 depending on brand.
Royal fan also has 50 watt energy saver model (price Rs. 4800) and GFC has NEECA certified fan at 60 watts (Rs. 4400). source I want to replace two old fans with consumption around 130 watts .
lower wattage does equate to slightly lower air flow. for instance Royal 50 watt fan has 280 cu. m/min air flow while GFC 60 watts has 250 cu.m/min.

I'll definitely check the meter once I get the connection.
don't you have an existing connection? you can run tests on it. close all appliances and see individual appliance power consumption.
Refrigerator consumption is tricky, usually you can guess by view the lable and see if it lists power or power consumption per 24 hr. some brands only list rated current and you can't get power by just multiplying current and voltage because power factor is at play and they tend to depend on quality of compressor. some have as worse as 0.48 and some at at 0.8. I have old refrigerator (Dawlance 2002 iirc) which has pf of around 0.5 and 2015 model kenwood freezer which has pf of 0.8
LED consumption depends on screen size, 32" normally goes around 30 watts.

For AC, or any appliance amount of units consumed depends on how long you run it. e.g appliance A consumes 100 watts and runs for 10 hours would consume 1 unit where as appliance B consuming 500 watts would take 2 hours to consume a unit.
1 unit= 1 kilowatt electricity consumed in an hour
appliances like Fridge/Freezer/Fans are type of fixed daily load etc.
 

sinnersaint

Well-known member
Aug 11, 2009
1,361
0
41
normal fan wattage is around 80 watt of reputable brand e.g royal fanss, GFC, super asia. price range from 3800-4400 depending on brand.
Royal fan also has 50 watt energy saver model (price Rs. 4800) and GFC has NEECA certified fan at 60 watts (Rs. 4400). source I want to replace two old fans with consumption around 130 watts .
lower wattage does equate to slightly lower air flow. for instance Royal 50 watt fan has 280 cu. m/min air flow while GFC 60 watts has 250 cu.m/min.


don't you have an existing connection? you can run tests on it. close all appliances and see individual appliance power consumption.
Refrigerator consumption is tricky, usually you can guess by view the lable and see if it lists power or power consumption per 24 hr. some brands only list rated current and you can't get power by just multiplying current and voltage because power factor is at play and they tend to depend on quality of compressor. some have as worse as 0.48 and some at at 0.8. I have old refrigerator (Dawlance 2002 iirc) which has pf of around 0.5 and 2015 model kenwood freezer which has pf of 0.8
LED consumption depends on screen size, 32" normally goes around 30 watts.

For AC, or any appliance amount of units consumed depends on how long you run it. e.g appliance A consumes 100 watts and runs for 10 hours would consume 1 unit where as appliance B consuming 500 watts would take 2 hours to consume a unit.
1 unit= 1 kilowatt electricity consumed in an hour
appliances like Fridge/Freezer/Fans are type of fixed daily load etc.
Thanks for the details info bro, will take some time to digest for a non-technical person :)
 
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