AC Grid Side Phase A Phase B Phase C Neutral Diode Rectifier DC Bus Inverter Unit 本 本 KH BESS 国 K Bypass Switches Figure B2 Load Side Phase Neutral Main input voltage Rated total power Inverter switching frequency Output voltage Power efficiency 400 V, 3-phase 8 kW 10 kHz 230 V, single phase 93.3% (full load) 800 V BESS voltage Table B2
AC Grid Side Phase A Phase B Phase C Neutral Diode Rectifier DC Bus Inverter Unit 本 本 KH BESS 国 K Bypass Switches Figure B2 Load Side Phase Neutral Main input voltage Rated total power Inverter switching frequency Output voltage Power efficiency 400 V, 3-phase 8 kW 10 kHz 230 V, single phase 93.3% (full load) 800 V BESS voltage Table B2
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Related questions
Question
The IT servers for a medium-sized company need to be protected from
grid failures (e.g. blackout) and thus is powered through an
uninterruptable power supply (UPS) unit. The UPS consists of a 3-
phase diode rectifier powering the dc bus, which then splits between a
3-phase inverter unit and a battery energy storage system (BESS). UPS
parameters are given in Table B2 and a general schematic is shown in
Figure B2.
a) Assuming that the inverter and BESS pull a combined constant current,
IDC, from the dc bus, draw the approximate waveforms over one full ac
cycle for: (i) the three ac line voltages, (ii) the three ac currents, and
(iii) the total dc bus voltage.
Transcribed Image Text:AC Grid Side
Phase A
Phase B
Phase C
Neutral
Diode Rectifier
DC Bus
Inverter Unit
本
本
KH
BESS
国
K
Bypass Switches
Figure B2
Load Side
Phase
Neutral
Transcribed Image Text:Main input voltage
Rated total power
Inverter switching frequency
Output voltage
Power efficiency
400 V, 3-phase
8 kW
10 kHz
230 V, single phase
93.3% (full load)
800 V
BESS voltage
Table B2
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