IEC TR 62933-2-200:2021

Electrical energy storage (EES) systems - Part 2-200: Unit parameters and testing methods - Case study of electrical energy storage (EES) systems located in EV charging station with PV

IEC TR 62933-2-200:2021

Name:IEC TR 62933-2-200:2021   Standard name:Electrical energy storage (EES) systems - Part 2-200: Unit parameters and testing methods - Case study of electrical energy storage (EES) systems located in EV charging station with PV
Standard number:IEC TR 62933-2-200:2021   language:English language
Release Date:02-Sep-2021   technical committee:TC 120 - Electrical Energy Storage (EES) systems
Drafting committee:WG 2 - TC 120/WG 2   ICS number:13.020.30 - Environmental impact assessment

IEC TR 62933-2-200
Edition 1.0 2021-09
TECHNICAL
REPORT
colour
inside
Electrical energy storage (EES) systems –
Part 2-200: Unit parameters and testing methods – Case study of electrical
energy storage (EES) systems located in EV charging station with PV




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IEC TR 62933-2-200
Edition 1.0 2021-09
TECHNICAL
REPORT
colour
inside
Electrical energy storage (EES) systems –

Part 2-200: Unit parameters and testing methods – Case study of electrical

energy storage (EES) systems located in EV charging station with PV

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.020.30; 27.160; 43.120 ISBN 978-2-8322-1021-0

– 2 – IEC TR 62933-2-200:2021 © IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 7
4 Overview of EES systems located in EV charging stations with PV power
generation . 8
4.1 General . 8
4.2 Application scenarios . 8
4.3 System communication architecture . 9
4.4 Duty cycle analysis . 10
5 Project of commercial PV-EES-EV charging station based on common DC bus . 11
5.1 Case project overview . 11
5.2 System operation and control . 12
5.2.1 Operation data analysis . 12
5.2.2 Operation mode analysis . 13
5.3 Summary . 15
6 Project of commercial PV-EES-EV charging station based on common AC bus . 17
6.1 Case project overview . 17
6.2 System operation and control . 18
6.2.1 Operation data analysis . 18
6.2.2 Operation mode analysis . 19
6.3 Summary . 21
7 Project of business PV-EES-EV charging station based on common DC bus . 23
7.1 Case project overview . 23
7.2 System operation and control . 24
7.2.1 Operation data analysis . 24
7.2.2 Operation mode analysis . 25
7.3 Summary . 27
8 Project of business PV-EES-EV charging station based on common AC bus . 29
8.1 Case project overview . 29
8.2 System operation and control . 29
8.2.1 Operation data analysis . 29
8.2.2 Operation mode analysis . 30
8.3 Summary . 33
9 Recommendation for operation modes of EES systems located in EV charging
station with PV panels . 34
Annex A (informative) Duty cycles of the EES systems located in EV charging station
with PV . 36
A.1 General . 36
A.2 Project of commercial PV-EES-EV charging station based on common DC
bus . 36
A.3 Project of commercial PV-EES-EV charging station based on common AC
bus . 38
A.4 Project of business PV-EES-EV charging station based on common DC bus . 45
Bibliography . 47

Figure 1 – Example of communication system architecture of PV-EES-EV charging
station . 10
Figure 2 – System structure of case commercial PV-EES-EV charging station based on

common DC bus . 11
Figure 3 – EV load and PV power for the case of a commercial charging station based
on common DC bus . 12
Figure 4 – TOU and charging service prices for the case of a commercial charging
station based on common DC bus . 12
Figure 5 – Operating power in low- and medium-price periods in the case of a

commercial charging station based on common DC bus . 14
Figure 6 – Operating power in high-price periods in the case of commercial charging
station based on common DC bus . 15
Figure 7 – EES system duty cycle in the case of a commercial charging station based
on common DC bus . 15
Figure 8 – Daily electricity flow for the case of a commercial charging station based on

common DC bus . 17
Figure 9 – System structure for the case of a commercial PV-EES-EV charging station
based on common AC bus . 18
Figure 10 – EV load and PV power for the case of a commercial charging station based
on common AC bus . 19
Figure 11 – Operating power in power smoothing mode for the case of a commercial

charging station based on common AC bus. 19
Figure 12 – Operating power in peak shaving mode for the case of a commercial
charging station based on common AC bus. 20
Figure 13 – Operating power in the TOU price arbitrage mode for the case of a
commercial charging station based on common AC bus . 21
Figure 14 – EES duty cycle for the case of a commercial charging station based on

common AC bus . 22
Figure 15 – Daily electricity flow of for the case of a commercial charging station based
on common AC bus . 22
Figure 16 – System structure for the case of a business PV-EES-EV charging station
based on common DC bus . 23
Figure 17 – PV power, EV load and output power for the case of a business charging

station based on common DC bus . 24
Figure 18 – TOU and charging service prices for the case of a business charging
station based on common DC bus . 24
Figure 19 – Operating power in equivalent load tracing mode for the case of a
business charging station based on common DC bus . 25
Figure 20 – Operating power in TOU price arbitrage mode for the case of a business

charging station based on common DC bus . 26
Figure 21 – Operating power in demand response mode for the case of a business
charging station based on common DC bus . 27
Figure 22 – Operating power involved in TOU arbitrage and demand response for the
case of a business charging station based on common DC bus . 27
Figure 23 – EES duty cycle for the case of a business charging station based on

common DC bus . 28
Figure 24 – Daily electricity flow for the case of a business charging station based on
common DC bus . 28
Figure 25 – System structure for the case of a business PV-EES-EV charging station
based on common AC bus . 29

– 4 – IEC TR 62933-2-200:2021 © IEC 2021
Figure 26 – EV load and PV power for the case of a business charging station based
on common AC bus . 30
Figure 27 – Simulation results for operation strategy 1 for the case of a business

charging station based on common AC bus. 31
Figure 28 – Simulation results for operation strategy 2 for the case of a business
charging station based on common AC bus.
...

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