| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 Scope and object 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | Figures Figure 1 \u2013 Example of electricity generating plant connected to a network(schematic view of switches) <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 4 Requirements for generating plants 4.1 General 4.2 Connection scheme 4.3 Choice of switchgear 4.3.1 General <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 4.3.2 Interface switch 4.4 Normal operating range 4.4.1 General 4.4.2 Operating frequency range 4.4.3 Operating voltage range Tables Table 1 \u2013 Operating frequency requirements of DER <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 4.5 Immunity to disturbances 4.5.1 General 4.5.2 Rate of change of frequency (ROCOF) immunity Table 2 \u2013 Operating voltage requirements of DER <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Figure 2 \u2013 Underfrequency ride through capability requirements of DER Figure 3 \u2013 Overfrequency ride through capability requirements of DER <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 4.5.3 Undervoltage ride through (UVRT) requirements Figure 4 \u2013 Instantaneous frequency change ride through requirement of DER Figure 5 \u2013 Undervoltage ride through capabilityrequirements of DER <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 4.5.4 Overvoltage ride through (OVRT) requirements Figure 6 \u2013 Power recovering requirements for UVRT operation of DER (example) <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 4.5.5 Rapid phase angle change immunity Figure 7 \u2013 Overvoltage ride through capability Figure 8 \u2013 Example of instantaneous voltage phase angle change during UVRT <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 4.6 Active power response to frequency deviation 4.7 Power response to voltage changes 4.7.1 General 4.7.2 Voltage support by reactive power Figure 9 \u2013 Typical power-frequency response curve <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 4.7.3 Reactive power control modes 4.7.4 Voltage related active power control Table 3 \u2013 Volt watt mode parameters (example) <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 4.7.5 Voltage related reactive power response Figure 10 \u2013 Typical volt-watt response curve Table 4 \u2013 volt-var response set-point values for reference voltages (example) <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 4.7.6 Additional reactive current requirements on generating plants Figure 11 \u2013 Typical volt-var response curve <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Figure 12 \u2013 Principle of voltage support during faults and voltage steps(DBL: lower deadband limit; DBH: higher deadband limit) <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure 13 \u2013 Accuracy requirement for additional reactive current in positive and negative sequence <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | 4.8 EMC and power quality 4.8.1 General 4.8.2 Direct current (DC) injection 4.9 Interface protection 4.9.1 General <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Table 5 \u2013 Interface protection functions <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 4.9.2 Requirements on voltage and frequency protection <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | 4.9.3 Means to detect islanding situation Figure 14 \u2013 Operation of protection functions <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | 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 synchronous-type generators 4.10.3 Autoreclose of distribution lines 4.11 Ceasing and reduction of active power on set point <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | 4.12 Remote information exchange 4.12.1 General 4.12.2 Monitoring and control 4.12.3 Communication <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 4.13 Requirements regarding single fault tolerance of interface protection system and interface switch 5 Conformance tests <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Annex A (normative)Operating frequency range Table A.1 \u2013 Continuous operating frequency range Table A.2 \u2013 Limited operating frequency range <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Annex B (normative)Operating voltage range Table B.1 \u2013 Continuous operating POC voltage range Table B.2 \u2013 Limited operating voltage range <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | Annex C (normative)Undervoltage ride through capability of DER Table C.1 \u2013 UVRT capability of DER with an interface tothe grid based on a synchronous generator Table C.2 \u2013 UVRT capability of DER with an interface to the grid basedon non-synchronous generators (e.g. converters, DFIG, etc.) <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Annex D (normative)Overvoltage ride through parameters Table D.1 \u2013 OVRT capability of DER <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | Annex E (informative)Reactive power control behaviour of DC to AC power conversion equipment used in DER in conjunction with synchronous generators E.1 Background E.2 Power system with DER configuration E.3 Reactive power directions with leading\/lagging of current phase angle to voltage phase Figure E.1 \u2013 Configuration schematic of a power system <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | E.4 Reactive power control of synchronous generators <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | E.5 Reactive power control of power conversion equipment E.6 Reactive power effect as reactive and capacitive load Figure E.2 \u2013 Reactive and active power control imageof synchronous generators and DER <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | E.7 Conclusion Table E.1 \u2013 Operation and behaviours of synchronous generators,dispersed loads and DER <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | Annex F (normative)Summary of power thresholds to be defined by individual countries <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Distributed energy resources connection with the grid – General requirements<\/b><\/p>\n |