what is UPS ?

Question

asked Aug 18, 2017 by anonymous

what is UPS ?

106 views

Please log in or register to answer this question.

1 Answer

← Prev Question Next Question →

Related questions

asked Aug 8, 2017 by anonymous

what is UPS and what are its uses?

Last answer: Ups means uninterrupted power supply It supplies power when there is power supply outage. This is done by storing power in battery banks while power is on and then during power outage the DC in battery is converted to a.c by inverters

0 like 0 dislike

80 views 1 answer

asked Oct 13, 2019 by anonymous

What is the need of UPS?

Last answer: 1) An Uninterruptible Power Supply (UPS) is used to protect critical loads from mains supply problems including spikes, voltage dips, fluctuations and complete power failures using a dedicated battery. 2)A UPS system can also be used as standby system when AC mains is failed.

0 like 0 dislike

65 views 1 answer

asked May 21, 2020 by anonymous

Describe working of online UPS. List any two applications of UPS.

Last answer: Online UPS: The block diagram of the on line UPS systems is as shown, where the load is connected to the invertor through the UPS static switch. The UPS static switch is ... 4) Healthcare: hospitals, clinics and retirement homes 5) Telecommunications 6) Special projects (events)

0 like 0 dislike

61 views 1 answer

asked Jul 25, 2019 by anonymous

Explain the operation of UPS with a neat block diagram.

Last answer: Uninterruptible-Power-Supplies (UPS): A block diagram of UPS system is shown in figure. It essentially consists of four major components: i)Rectifier (or battery charger) ii) ... . Due to fast action requirement, transfer switch can be implemented by fast acting semiconductor devices.

0 like 0 dislike

3.0k views 1 answer

asked Jul 25, 2019 by anonymous

Define transfer time and back up time of UPS.

Last answer: Transfer time of UPS: The transfer time, sometimes also called switchover time, is the amount of time the UPS will take to switch from utility to battery supply during a mains failure, or from battery to ... is the amount of time for which the UPS will supply the power to load during mains failure.

0 like 0 dislike

44 views 1 answer

asked Mar 10, 2018 by anonymous

What is the use of power factor correction?

0 like 0 dislike

70 views 0 answers

asked Mar 10, 2018 by anonymous

What is the best power factor?

Last answer: It is unity power factor but difficult to achieve in dynamic loads

0 like 0 dislike

75 views 1 answer

asked Mar 10, 2018 by anonymous

What is power factor angle?

0 like 0 dislike

59 views 0 answers

asked Mar 10, 2018 by anonymous

What is difference between KW and KVA?

Last answer: kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.

0 like 1 dislike

134 views 1 answer

asked Mar 10, 2018 by anonymous

What is a digital power meter?

0 like 0 dislike

48 views 0 answers

asked Mar 10, 2018 by anonymous

What is an RF Power Meter?

0 like 0 dislike

44 views 0 answers

asked Mar 10, 2018 by anonymous

What is mitigation of harmonics?

0 like 0 dislike

43 views 0 answers

asked Mar 10, 2018 by anonymous

What is the difference between linear and nonlinear electrical loads?

0 like 0 dislike

1.1k views 0 answers

asked Mar 10, 2018 by anonymous

What is current harmonics?

0 like 0 dislike

43 views 0 answers

asked Mar 10, 2018 by anonymous

What is a non linear load?

0 like 0 dislike

47 views 0 answers

asked Mar 10, 2018 by anonymous

What is the advantage of high power factor?

Last answer: Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill

0 like 0 dislike

75 views 2 answers

asked Mar 10, 2018 by anonymous

What is meant by KVA?

Last answer: KVA - kilo volt ampere Used to specify the transformer details

1 like 0 dislike

137 views 2 answers

asked Mar 10, 2018 by anonymous

What is the cause of voltage fluctuation?

0 like 0 dislike

53 views 0 answers

asked Mar 10, 2018 by anonymous

What is power logger?

0 like 0 dislike

165 views 0 answers

asked Mar 10, 2018 by anonymous

What is harmonic in power quality?

0 like 0 dislike

47 views 0 answers

asked Mar 10, 2018 by anonymous

What is a power quality analyzer?

0 like 0 dislike

434 views 0 answers

asked Mar 10, 2018 by anonymous

What is power quality meter?

0 like 0 dislike

45 views 0 answers

asked Mar 10, 2018 by anonymous

What is good power quality?

0 like 0 dislike

51 views 0 answers

asked Mar 10, 2018 by anonymous

What is power quality monitoring?

0 like 0 dislike

60 views 0 answers

asked Mar 10, 2018 by anonymous

What is the difference between a blackout and brownout?

0 like 0 dislike

54 views 0 answers

asked Mar 10, 2018 by anonymous

What is the cause of a brownout?

0 like 0 dislike

42 views 0 answers

asked Mar 10, 2018 by anonymous

What is the definition of brownout?

0 like 0 dislike

46 views 0 answers

asked Mar 10, 2018 by anonymous

What is meant by power dip?

0 like 0 dislike

54 views 0 answers

asked Mar 10, 2018 by anonymous

What is voltage interruption?

0 like 0 dislike

39 views 0 answers

asked Mar 10, 2018 by anonymous

What is meant by a voltage surge?

0 like 0 dislike

50 views 0 answers

asked Mar 10, 2018 by anonymous

What is voltage sags and swells?

0 like 0 dislike

59 views 0 answers

asked Aug 18, 2017 by anonymous

what is trickle charging ?

Last answer: It is the process of charging a fully charged battery at the rate equal to its own discharge rate. This process ensures that the battery remains fully charged. It is carried out only when the battery is not connected to the load.

0 like 0 dislike

51 views 1 answer

asked 7 hours ago by anonymous

The economist who believed that unemployment is impossible and that market mechanism has a built in regulatory system to meet any ups and downs (1) J.M.Keynes (2) Ohlin (3) J.B.Say (4) Galbraith

Last answer: J.B.Say

0 like 0 dislike

1 view 1 answer

asked Apr 10, 2018 by anonymous

A UPS commonly has following parts : (i) rectifier (ii) inverter (iii) static switch Which of the following is true ?

A UPS commonly has following parts : (i) rectifier (ii) inverter (iii) static switch Which of the following is true ? (a) only (i) (b) only (i) and (ii) (c) (i), (ii) and (iii) (d) only (ii) and (iii)

0 like 0 dislike

79 views 0 answers

asked Mar 10, 2018 by anonymous

What causes random power outages?

0 like 0 dislike

45 views 0 answers

asked Mar 10, 2018 by anonymous

What are even and odd harmonics?

0 like 1 dislike

52 views 0 answers

asked Mar 10, 2018 by anonymous

What are the main causes of harmonics?

Last answer: Harmonic is a non linear load because linear load voltage deviated due to connection of some electrinie device such as converter,inverter

0 like 0 dislike

151 views 1 answer

asked Mar 10, 2018 by anonymous

What does an electric meter measure?

0 like 0 dislike

50 views 0 answers

asked Mar 10, 2018 by anonymous

What are the power quality disturbance?

0 like 0 dislike

72 views 0 answers

asked Mar 10, 2018 by anonymous

What are the different power quality issues?

0 like 0 dislike

50 views 0 answers

asked Mar 10, 2018 by anonymous

What can you do to prevent a power surge?

0 like 0 dislike

51 views 0 answers

asked Mar 10, 2018 by anonymous

What can cause a short circuit?

0 like 0 dislike

53 views 0 answers

asked Mar 10, 2018 by anonymous

What causes transients?

Last answer: Transient is a peak voltage take small period. It will occur due to lightning

0 like 0 dislike

113 views 1 answer

asked Mar 10, 2018 by anonymous

What causes lights to dim in house?

Last answer: While taking a more load from other Equipment

0 like 0 dislike

185 views 1 answer

asked Mar 10, 2018 by anonymous

What can cause a voltage spike?

0 like 0 dislike

50 views 0 answers

asked Mar 10, 2018 by anonymous

What would cause a power surge in a house?

Last answer: If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip

0 like 0 dislike

70 views 1 answer

asked Jun 29, 2020 by anonymous

State any three points of difference between online UPS and off-line UPS.

Last answer: On-line UPS Off-line UPS An on-line UPS continuously powers the protected load from its reserves (usually lead-acid batteries or stored kinetic energy), while simultaneously replenishing the ... the mains power. In this type of UPS frequency stability is always available.

0 like 0 dislike

9 views 1 answer

asked Jun 28, 2020 by anonymous

With the help of diagram explain working of UPS

Last answer: The UPS delivers uninterrupted power to the ac load. It consists of the following functional blocks: AC mains section contains filter, transformer and rectifierIt receives ac supply, ... has synchronization circuits for smooth change-over from mains to inverter ac avoid waveform distortion.

0 like 0 dislike

23 views 1 answer

asked Apr 12, 2018 by anonymous

A UPS : .......................

A UPS : A) increases the storage capacity of a computer system B) increases the process speed C) provides backup power in the event of a power cut D) increases I/O speed

Last answer: A UPS : provides backup power in the event of a power cut

0 like 0 dislike

37 views 1 answer

asked Mar 10, 2018 by anonymous

How much is 1 unit of electricity?

Last answer: 1 unit of electricity is equal to 1 kWh.

0 like 0 dislike

63 views 1 answer

anonymous · Answer 1 · 2017-08-19T13:13:58+0000

answered Aug 19, 2017 by anonymous

UPS is Uninterrupted Power Source

what is UPS ?

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions