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BSI PD IEC TS 62786-3:2023

BSI PD IEC TS 62786-3:2023

$142.49

Distributed energy resources connection with the grid – Additional requirements for stationary battery energy storage system

Published By Publication Date Number of Pages
BSI 2023 28
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
6 FOREWORD
8 1 Scope
2 Normative references
3 Terms and definitions, abbreviated terms and symbols
3.1 Terms and definitions
10 Figures
Figure 1 – Example of the interconnection interface concept
11 3.2 Abbreviated terms and symbols
3.2.1 Abbreviated terms
3.2.2 Symbols
13 4 Requirements for distributed BESS
4.1 General
4.2 Connection scheme
4.3 Choice of switchgear
4.3.1 General
4.3.2 Interface switch
4.4 Normal operating range
4.4.1 General
4.4.2 Operating frequency range
Tables
Table 1 – Operating frequency requirements of BESS
14 4.4.3 Operating voltage range
4.5 Immunity to disturbances
4.5.1 General
4.5.2 Rate of change of frequency (ROCOF) immunity
4.5.3 Under voltage ride through (UVRT) requirements
4.5.4 Over voltage ride through (OVRT) requirements
4.5.5 Rapid phase angle change immunity
Table 2 – Operating voltage requirements of BESS with LV distribution network
15 4.6 Active power response to frequency deviation
4.6.1 General
Figure 2 – Typical power-frequency response curve for BESS chargingand discharging modes under operating frequency range
16 4.6.2 Active power response to over frequency
4.6.3 Active power response to underfrequency
17 4.7 Power response to voltage changes
4.7.1 General
4.7.2 Voltage support by reactive power
4.7.3 Reactive power control modes
4.7.4 Voltage related active power control
Figure 3 – Example of reactive power capability rangeof BESS in per unit at nominal voltage
18 4.7.5 Voltage related reactive power response
4.7.6 Additional reactive current requirements on BESS
4.8 EMC and power quality
4.8.1 General
4.8.2 Direct current (DC) injection
Figure 4 – Typical voltage related active power regulation of BESS
19 4.9 Interface protection
4.9.1 General
4.9.2 Requirements on voltage and frequency protection
4.9.3 Means to detect islanding situation
4.9.4 Digital input to the interface protection
4.10 Connection and starting to generate electrical power
4.10.1 General
4.10.2 Connection of BESS
4.10.3 Auto reclose of distribution lines
4.10.4 Black start capability and intentional islanding control
4.11 Ceasing and reduction of active power on set point
4.12 Remote information exchange
4.12.1 General
20 4.12.2 Monitoring and control
4.12.3 Communication
5 Conformance tests
21 Annex A (normative)Operating frequency range
Table A.1 – Continuous operating frequency range
Table A.2 – Limited operating frequency range
Table A.3 – Limited charging/discharging time
22 Annex B (normative)Operating voltage range
Table B.1 – Continuous operating POC voltage range
Table B.2 – Limited operating voltage range
23 Annex C (normative)Summary of power thresholds to be defined by individual countries
24 Bibliography

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BSI PD IEC TS 62786-3:2023
$142.49