Huawei H19-311 Online Practice Questions and Exam Preparation

Huawei H19-311 Online Questions & Answers

• Question 151:

  The number of battery strings for the UPS5000-E can be adjusted. To avoid replacing the whole battery string due to one faulty battery and solve the battery maintenance difficulty of traditional UPSs, how many batteries the UPS5000-E (50 kVA power module) can adjust?

  A. 30-40
  B. 32-40
  C. 32-42
  D. 30-44
  D. 30-44

• Question 152:

  The UPS2000-G series (6 kVA to 20 kVA) supports backup power supplied from battery packs and battery racks. Battery packs can be mounted on racks to save installation space.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 153:

  If the UPS is configured with thirty-two 12 V batteries, the floating charge voltage is ().

  A. 432 V
  B. 451V
  C. 540V
  D. 564 V
  A. 432 V

• Question 154:

  The UPS2000-G supports low voltage disconnection. When overload occurs, secondary loads are closed to remove the overload and ensure desired power supply quality. When a power outage occurs, secondary loads are also closed to prolong the backup time for important loads.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 155:

  When configuring batteries, you do not need to consider the battery brand as long as the capacity satisfies customer requirements.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 156:

  Which of the following functions can a modular UPS realize? (Multiple Choice)

  A. Online expansion
  B. Online hot swap
  C. 2N redundancy configuration for a single UPS
  D. N+X redundancy configuration for a single UPS
  A. Online expansion
  B. Online hot swap
  D. N+X redundancy configuration for a single UPS

• Question 157:

  The UPS5000-E (25-75 kVA) supports a maximum of ( ) battery modules.

  A. 16
  B. 128
  C. 144
  D. 150
  C. 144

• Question 158:

  The UPS2000-G is a double conversion online UPS powered by mains in the normal operating state. A rectifier converts AC power into DC power, and then an inverter converts the rectified DC power into pure AC power to be supplied to loads. A charger is used to charge the storage battery string.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 159:

  The UPS5000-A input mode is ().

  A. 3Ph
  B. 3Ph+N
  C. 3Ph+N+PE
  C. 3Ph+N+PE

• Question 160:

  Which of the following elements will affect the application of HVDC in the equipment room? (Multiple Choice)

  A. The standard is not complete, and multiple 240 V/336 V systems exist.
  B. Not all loads can use the DC power supply directly,
  C. The cost of DC circuit breaker components is high.
  D. The efficiency is low.
  A. The standard is not complete, and multiple 240 V/336 V systems exist.
  B. Not all loads can use the DC power supply directly,
  C. The cost of DC circuit breaker components is high.