Answer / arul murugan

ups- uniterruptable power supply. UPS is used for typical
load.
1. ON LINE UPS
2.OFF LINE UPS
ONLINE:
The load is connected through ups. so load will not
disturbed during normal power failure.
OFFLINE:
The load will interrupt after power failure.That is change
over time is in milli sec.

Answer / sabale.dnyaneshwar@gmail.com

UPS MEANS UN INTERRUPTIBLE POWER SUPPLY.
IN UPS AGAIN THERE IS 2 TYPES ON
1. ON LINE UPS
2. OFF LINE UPS
IN ON LINE UPS BATTERY IS CHARGING WITH MAINS. THAT MEANS
BATTERY IS CHARGED WITH LOAD & IF MAINS IS GONE IT WILL
COME IN LINE.
IN OFF LINE THRE IS SEPERATE ARRANGMENT FOR BATTERY.

Answer / sam khanji

UPS stands for uninterruptable power supply. supply only DC
current.
mainly use as a stand by power supply for DC equipment like
computers, access controls.
It has an interior batteries which are able to supply for
complete six hours. this period is enough to restore all
the information need during the failure of power. Usually
it is always connected to AC power and has a toggle switch
which will be active in case of power failure.

Answer / arun

dear sam khabji ,..i agreed..with ur answer.

HOW TO CALCULATE LV CABLE SIZING?

2 Answers   L&T, MRF,

---

How to work E.L.C.B and how to connect in circuit.

0 Answers  

---

what is the ms flat constant for calculating earth mat design calculation?

0 Answers  

---

What quedtion to ask a electrical maintenance technician?

5 Answers   Bhel, Royal Furnishers,

---

what is formula of illumation calculation

0 Answers  

---

if we convert ampers into kw,which one formula use by us,pls tell me?

11 Answers   ABB,

---

What is the starting current of a motor?

3 Answers  

---

where is core-type and shell-type construction suitable for transformers ?

0 Answers  

---

Why there is not any reactive power in DC although it causes magnetic field.

7 Answers  

---

what is the star delta connetion and how can do it a three phase motor with control witing with picture

0 Answers   Aurobindo, SA Kent, Wipro,

---

my bachelors was done with EEE now i got admit in NU with CS as course. how to answer this qns 1) why u choose cs? 2) why u changed from eee to cs

0 Answers  

---

what is the reasons for blowing fuse

1 Answers  

---