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IEC TS 63102
Edition 1.0 2021-09
TECHNICAL
SPECIFICATION
colour
inside
Grid code compliance assessment methods for grid connection of wind and PV
power plants
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IEC TS 63102
Edition 1.0 2021-09
TECHNICAL
SPECIFICATION
colour
inside
Grid code compliance assessment methods for grid connection of wind and PV
power plants
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.160; 27.180 ISBN 978-2-8322-1022-1
– 2 – IEC TS 63102:2021 IEC 2021
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, abbreviations and subscripts . 7
3.1 Terms and definitions . 7
3.2 Abbreviations and subscripts . 8
3.2.1 Abbreviations . 8
3.2.2 Subscripts . 9
4 Symbols and units . 9
5 General specifications . 10
5.1 General . 10
5.2 Type tested units – Wind turbines and PV inverters . 10
5.3 Projects – Wind and PV power plants . 10
5.4 Compliance assessment methods . 10
6 Operating area . 11
6.1 General . 11
6.2 Frequency range . 11
6.2.1 Documentation . 11
6.2.2 Method 1: Monitoring . 11
6.3 Voltage range . 12
6.3.1 Documentation . 12
6.3.2 Method 1: Simulation . 12
6.3.3 Method 2: Monitoring . 12
6.4 Reactive power capability . 12
6.4.1 Documentation . 12
6.4.2 Method 1: Simulation . 12
6.4.3 Method 2: Monitoring . 13
7 Control performance . 13
7.1 General . 13
7.2 Active power based control . 13
7.2.1 Documentation . 13
7.2.2 Method 1: Plant field testing . 14
7.2.3 Method 2: Monitoring . 17
7.2.4 Method 3: CHIL testing . 17
7.3 Reactive power based control . 19
7.3.1 Documentation . 19
7.3.2 Method 1: Plant field testing . 20
7.3.3 Method 2: Monitoring . 23
7.3.4 Method 3: CHIL testing . 23
8 Fault ride through . 24
8.1 General . 24
8.2 Documentation . 24
8.3 Method 1: Simulation . 25
8.4 Method 2: Monitoring . 27
9 Power quality . 28
9.1 General . 28
9.2 Current harmonics and inter-harmonics . 28
9.2.1 Documentation . 28
9.2.2 Method 1: Plant Field testing . 28
9.3 Flicker . 29
9.3.1 Documentation . 29
9.3.2 Method 1: Plant field testing . 29
Annex A (informative) Monitoring of electrical performance of wind and PV power
plants. 30
A.1 Overview. 30
A.2 Responsibilities . 30
A.3 Basic principles . 30
A.4 Monitoring signals . 30
A.5 Monitoring hardware . 31
Annex B (informative) Controller hardware in the loop (CHIL) testing setup . 32
B.1 General . 32
B.2 Power plant modelling . 32
B.3 Set-up . 32
Annex C (informative) Harmonic simulation for wind and PV power plants . 34
C.1 General . 34
C.2 General simulation methods . 35
Annex D (informative) Control performance index . 37
Bibliography . 38
Figure 1 – An example of PQ diagram . 13
Figure 2 – Example of figure for active power ramp rate test . 15
Figure 3 – Example of figure for set point test of active power . 15
Figure 4 – Example of figure for frequency control test . 16
Figure 5 – Example of figure for frequency control test with simulated frequency
variation . 18
Figure 6 – Example figure for set point control of reactive power as control reference
(reactive power control mode) . 21
Figure 7 – Example of figure for set point control of voltage as control reference
(voltage control mode) . 22
Figure 8 – Example of figure for voltage control test . 23
Figure 9 – Layout of grid with symmetrical fault . 25
Figure 10 – Layout of grid with unsymmetrical fault . 25
Figure 11 – Example of active power recovery . 27
Figure 12 – Equivalent circuit of the grid and the power plant . 29
Figure B.1 – Test bench diagram . 33
Figure C.1 – Ideal harmonic current source illustration for harmonic distortion
calculation . 34
Figure C.2 – Converter harmonic model as a Norton/Thevenin equivalent circuit . 35
Figure C.3 – Norton equivalent harmonic current source illustration for network
harmonic distortion calculation . 35
Figure C.4 – Power electronics average model Norton equivalent circuit representation . 36
Figure D.1 – Performance index of active and reactive power based control . 37
– 4 – IEC TS 63102:2021 IEC 2021
Table 1 – Overview of assessment methods . 11
Table 2 – Example table for maximum variation value of active power . 16
Table 3 – Example of table for performance index of set point test. 17
Table 4 – Example of table for performance index of frequency control response . 17
Table 5 – Example of table for functionality test of frequency control . 19
Table 6 – Example
...