H19-311 Questions And Answers


Exam Name: HCSA-Presales-Digital Power

Updated: 2022-07-04

Q & A: 178

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Question No : 1

The height of UPS2000-G battery pack is ( ).
A. 1U
B. 2U
C. 3U
D. 4U
Answer: C

Question No : 2

What are the standard communications of UPS5000-A? (Multiple choice)
A. dry contact
B. RS485
C. RS232
Answer: ABD

Question No : 3

Calculate the UPS rated input current, which of the following conditions are required? (Multiple choice)
A. UPS rated output apparent power
B. Nominal efficiency of UPS operation
C. battery inverter efficiency
D. UPS battery charging power
Answer: ABD

Question No : 4

UPS system battery intelligent management can be fully extended battery life,
which of the following features does UPS2000-G- (6K-20K) battery management support? ( ) (Multiple choice)
A. intelligent sleep
B. Automatic proportion drift charge conversion
C. temperature compensation
D. battery section adjustable
Answer: ABCD

Question No : 5

Which components of UPS2000-G- (6K-20K) power supply system do support rack-mounted installation? (Multiple Choice)
A. Host
B. Battery Pack
C. Battery Holder
D. Battery box
Answer: AB

Question No : 6

What characteristics of UPS5000-A have an advantage on the NXP, 9395 and Galaxy7000 and other products? (Multiple choice)
A. Input voltage range
B. Efficiency
C. Land area
Answer: ABC

Question No : 7

What is the number of 12V battery's detection can UPS5000-A-400/500K options Battery Polling instrument support?
A. 12
B. 24
C. 32
D. 40
Answer: B

Question No : 8

In view of the first stage of UPS System construction is fully power supply, but the actual system load rate is low, the UPS5000-E design has smart stay function, which can increase the system load rate to make the system run with high efficiency.
When the UPS5000-E smart stay, how many power modules redundancy at least?
A. 0
B. 1
C. 2
Answer: B

Question No : 9

A system configuration 1H battery backup time, the battery cell discharge termination voltage should be selected (    ).
A. 1.60V
B. 1.67V
C. 1.75V
D. 1.80V
Answer: C

Question No : 10

UPS2000-G is an online double-conversion UPS, in normal working condition: it is provided the energy by electric supply, the rectifier will convert AC into DC, the inverter will be rectified DC after rectifying into pure AC and provided to the load, charger charges the battery pack.
Answer: A

Question No : 11

The output power factor of UPS2000-G-(1K-3K) is ( ).
A. 0.7
B. 0.8
C. 0.9
D. 0.99
Answer: A

Question No : 12

The following are the statements about the UPS5000-A-400/500K, which of the them are wrong? (Multiple Choice)
A. Input power factor is 0.99
B. Output power factor is 1
C. The battery section number is not adjustable
D. Efficiency is 94%
Answer: BCD

Question No : 13

UPS5000-E is high-efficiency UPS, which of the following statement is correct?
A. Efficiency is up to 96%
B. With 20% load time, efficiency is up to 95%
C. With 20% load time, efficiency is up to 94%
D. with 40% load time, efficiency is up to 96%
Answer: ABD

Question No : 14

UPS5000-A-400/500K in the easy-to-use features, which of the following is correct? (Multiple Choice)
A. Standard parallel operation board
B. Covers an area of only 1.02 square meters
C. Battery section adjustable
D. Support battery intelligent management
Answer: ABCD

Question No : 15

UPS2000-G has a hierarchical power-down function, which of the following is not included in the role of hierarchical power down?
A. Close the secondary load when overloading to eliminate overload
B. Turn off the secondary load in battery mode to extend the critical load backup time
C. In battery mode, turn off the secondary load to protect the battery
D. Turn off the secondary load to adjust the load rate and optimize the operating efficiency
Answer: D
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