IEC IECTS62933-2-2 Edition 1.0 2022-04 TECHNICAL SPECIFICATION colour inside Electricalenergy storage(EES)systems- Part 2-2:Unit parameters and testing methods-Application and performance testing
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IEC IECTS62933-2-2 Edition 1.02022-04 TECHNICAL SPECIFICATION colour inside Electricalenergystorage(EES)systems- Part2-2:Unit parameters and testingmethods-Applicationandperformance testing INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 13.020.30 ISBN 978-2-8322-1104-1 Warning!Make sure that you obtained thispublication from an authorized distributor.
-2- IEC TS62933-2-2:2022IEC2022 CONTENTS FOREWORD .5 INTRODUCTION. .7 1 Scope. .8 2 Normative references ..8 3 Terms definitions and abbreviated terms .8 3.1 Terms and definitions.. .8 3.2 Abbreviated terms.. .9 4 Application of EES system.. .9 4.1 General. ..9 4.2 Class A applications. .9 4.2.1 Frequency control. .9 4.2.2 Primary/secondary/tertiaryfrequencycontrol .9 4.2.3 Fluctuationreduction ofPVandwindfarms ...1.0 4.2.4 Reactive-power voltage control. ..10 4.2.5 Voltage sag mitigation. 10 4.3 Class B applications 10 4.3.1 Peak shaving.... 10 4.3.2 Renewable firming. ...10 4.3.3 Islanded grid.. ..11 4.4 Class C applications. .11 5 Parameter testing methods for application. .11 5.1 Parameter tests .11 5.1.1 General .11 5.1.2 Actual energy capacity. 11 5.1.3 Roundtrip efficiency. 11 5.1.4 Stepresponse time and ramprate. 5.1.5 Auxiliary power consumption. 12 5.1.6 Self-discharge. 12 5.1.7 SOC 12 5.2 Duty cycle performance tests. .12 5.2.1 General ...12 5.2.2 Duty cycleroundtrip efficiency. 12 5.2.3 Reference signal tracking 12 5.3 Test itemsfor each application. 14 6 Duty cycle for specific applications.... .15 6.1 General. .15 6.2 Frequency control. 15 6.2.1 Frequency control duty cycle .15 6.2.2 Primary/secondary/tertiary frequency control duty cycle. ...16 6.2.3 Deviation control of frequency 18 6.3 Fluctuation reduction of PV and wind farm. 20 6.4 Reactive-power voltage control 22 6.5 Voltage sag mitigation.. 23 6.6 Peak shaving 26 6.6.1 “One charge-one discharge”mode.. 26 6.6.2 “Two charges-two discharges"mode.. 28
IEC TS62933-2-2:2022IEC 2022 3 6.7 Renewable firming... .29 6.8 Islanded grid.. .30 6.9 Back-up power.. .32 6.9.1 General .32 6.9.2 Grid outage test.. .32 6.9.3 Stepload test.. ...32 6.9.4 Unbalanced load test... .33 6.9.5 Function test.. 33 6.9.6 Gridrecovery test. .33 AnnexA(normative)Numerical datafor duty cycle .34 Bibliography .66 Figure 1-Frequency control duty cycle... ..16 every half hour shown over a)24 h and b) 2 h. 17 every hour shown over a)24 h and b) 3 h... ..18 Figure 4 - Example of droop active power frequency control with a dead band. ..19 .20 Figure 6-Duty cycle of fluctuation reduction of wind farm. ..21 Figure7- Duty cycle of fluctuation reduction of wind farm(low standard deviation).. Figure 8-Duty cycle of fluctuation reduction of wind farm(average standard deviation... 22 Figure 9 - Duty cycle of fluctuation reduction of wind farm(high standard deviation)....22 Figure 10-Reactive-powervoltage control test profile. ...23 Figure 11-Voltage sag mitigation test profile (test level:80 %) ..24 Figure 12-Voltage sag mitigation test profile (test level:70 %) ..25 Figure 13 -Voltage sag mitigation test profile (test level: 40 %) .25 Figure 14 -Voltage sag mitigation test profile (test level: 0 %).. ...26 mode.... .28 Figure 16 - Duty cycle for peak shaving of “two charges-two discharges" mode.. ...29 Figure 17 - Duty cycle for renewable firming mode . ...30 and frequency control Figure 19-Duty cycleforfluctuation reduction of renewable energy sources（power) without frequencycontrol. Figure 20 - Duty cycle without fluctuation reduction of renewable energy sources (power)or frequency control .32 Table 1-Test items for each application. .15 Table 2-Reactive-powervoltage control testprofile 23 Table A.1-Numerical data of Figure 1(duty cycle of frequency control ). 35 Table A.2-Numerical data of Figure 5(duty cycle of fluctuationreduction of PV (photovoltaic energy systems)). .40 Table A.3-Numerical data of Figure7(duty cycle of fluctuation reduction of wind farm (low standard deviation))... .44
IEC TS 62933-2-2 2022电能储存（EES）系统第 2-2 部分单元参数和测试方法-应用和性能测试(英文版).pdf
