What is difference between 220v/50Hz & 120V/60Hz?
Answers were Sorted based on User's Feedback
Answer / raviteja
220V/50HZ - indian standard of supply
120v/60HZ - american standard of supply
Is This Answer Correct ? | 69 Yes | 17 No |
Answer / umar
220V/50Hz system is used in india and Pakistan while
120V/60Hz is used in KSA and USA.
The advantage of 120V over 220V is human safety factor i.e.
less insulation required and less danger of electric shock
but it has the disadvantage that the initial cost increases.
Also size of electric equipment reduces with increase in
frequency such transformers etc.
Is This Answer Correct ? | 50 Yes | 7 No |
Answer / rk
both are /incorrect standard there is british and american
stanadard india is following british std.
Is This Answer Correct ? | 33 Yes | 14 No |
Answer / mohit
WHEN WE USED 220 50 HZ SUPPLY WE CAN USE THIN ELECTRICAL
WIRES BUT FOR 120V 60 HZ SUPPLY WE NEED THICK WIRES.RICH
COUNTRU CAN PAY FOR 120V 60HZ AND SHOCK RATE IN CASE OF
120V IS LESS THAN 220V .HENCE FOR PERSONAL SAFETY REASONS
AND RICH , US. ETC ARE USING 220C 50HZ SUPPLY.
Is This Answer Correct ? | 27 Yes | 10 No |
Answer / ali raza
220v/50 Hz is economic as thin conductor is required
usually pakistan and india use this as it is a British standard however it is more dangerous than 120v/60 Hz which is american standard and expensive as thick conductor is required
by ali raza electrical engineer(power)lahore pakistan
Is This Answer Correct ? | 16 Yes | 2 No |
Answer / bilal ahmad
Basicaly Pakistan, Uk, Europ are using 50hz and have
advantage less losses in reactive and easy transmission on
high voltage and disadvantade is large size of machine and
USA,KSA have 60 hz have advantage of smal size of machine
mean low coast and disadvantage is more losses in reactve
lose and low level of transmition
but both system have some advantage and disadvantage and
both area are try to improve their disadvantage to suite
the system for future
Is This Answer Correct ? | 7 Yes | 2 No |
Answer / saravana kumar s
Ok 220v 50hz supply is economical then why americans are going for 120 60hz.
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / prasad joshianwikar
220V/50HZ - less frequency of sine wave propogation has
large distacve between alternation of current between Phase
& Neutral and gives 220V at Phase to Neutral on 50Hz
Frequency. simply lenthy propogation with higher voltage.
(Depends upon the LT Power transformer output)
120v/60HZ - High frequency of sine wave propogation has
less distacve between alternation of current between Phase
& Neutral and gives 120V at Phase to Neutral on 60Hz
Frequency.simply fast propogation with lower voltage.
(Depends upon the LT Power transformer output)
Is This Answer Correct ? | 3 Yes | 5 No |
We operate a 10 Mw facility and we have been experiencing several trips due to fluctuations on the MVAR? We have checked all issues related to the AVR and we have found all OK? Can anyone help us? The grid voltage, internal voltage, all regular parameters look ok. MVAR fluctuate and there it goes the unit? What could be happening? Thanks!
How is Grounding or Earthing achieved in Planes and Automobiles?
what is the different betweem earthing and neutral?
Alternating voltage and current is which type of quantities?
how much current take 16sq mm Cable
HOW TO MEASURE AC VOLTAGE BY USING GALVANOMETER?
How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??
Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue
how we can save electrical energy in industries,please give some inputs
how the inductor will work on dc supply?whether it will work or not?
Why Alternator has 0.8 power factor?
how to identyfy cable sizes?