SA/SNZ TS IEC 63106.1:2023
Simulators used for testing of photovoltaic power conversion equipment —Recommendations, Part 1: AC power simulators
Standard identically adopts IEC TS 63106‐1:2020 which provides recommendations for Low Voltage (LV) AC power simulators used for testing utility interactive photovoltaic power conversion equipment (PCE).
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SA/SNZ TS IEC 63106.1:2023 Recommendations AC power simulators
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 PCE types with respect to AC voltage levels and grid interconnection
5 Test setup for utility interactive PCEs
5.1 General
5.2 Test setup examples for utility interaction test
5.2.1 General
5.2.2 Types of AC power simulator systems
5.2.3 Load
5.2.4 Line impedance
6 General recommendations for AC power simulators
6.1 General
6.1.1 Overview
6.1.2 AC main connections
6.1.3 Output transformer
6.1.4 Number of phases and voltage range
6.1.5 Frequency ranges supplied to EUT
6.1.6 Voltage stability and accuracy
6.1.7 Frequency stability and accuracy
6.1.8 AC output voltage harmonic distortion
6.1.9 Signal interface for hardware in the loop
6.1.10 Durability against impulse test voltage
6.1.11 Other requirements for test properties
6.2 AC power simulator performance and characteristics
Bibliography
Figures
Figure 1 – Examples of ports
Figure 2 – Example of connection of DG systems to utility grid
Figure 3 – Examples of fundamental setup of EUT test system
Tables
Table 1 – Typical maximum harmonic voltage distortion (as per IEC€61000-4-7:2002)
Table 2 – Grid qualification/Requalification – In-range voltage before connection/reconnection
Table 3 – Grid qualification/Requalification – In-range frequency before connection/reconnection
Table 4 – Power capability: Nameplate P, Q, S under normal and near-normal grid conditions
Table 5 – Power capability: Limitation of P/Q/S/PF by setpoint
Table 6 – Power capability: Ramp rate or soft start time-developing magnitude by set€rate
Table 7 – Grid protection tests – AC over-voltage (OV) and under-voltage (UV) trip tests
Table 8 – Grid protection tests: OF/UF trips
Table 9 – Grid protection tests: Anti-islanding
Table 10 – Grid protection tests: ROCOF trips
Table 11 – Grid protection tests: Open phase
Table 12 – Power quality tests: Current harmonics, inter-harmonics, THDi
Table 13 – Power quality tests: Flicker (continuous)
Table 14 – Power quality tests: Current inrush (at connection switch close)
Table 15 – Power quality tests: Current imbalance
Table 16 – Power quality tests: Transient OV on load dump
Table 17 – Grid support tests: UV/OV ride-through with/without Iq injection
Table 18 – Grid support tests: UF/OF ride-through
Table 19 – Grid support tests: ROCOF ride-through
Table 20 – Grid support tests: Phase-jump ride-through
Table 21 – Grid support tests: P (f), PF (P, V), Q (V), P (V)
Table 22 – External command response tests: Magnitude accuracy for P/Q/S/PF by setpoint
Table 23 – External command response tests: Response to external setpoint changes (response time, settling time)
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SA/SNZ TS IEC 63106.1:2023 Recommendations AC power simulators
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
4 PCE types with respect to AC voltage levels and grid interconnection
5 Test setup for utility interactive PCEs
5.1 General
5.2 Test setup examples for utility interaction test
5.2.1 General
5.2.2 Types of AC power simulator systems
5.2.3 Load
5.2.4 Line impedance
6 General recommendations for AC power simulators
6.1 General
6.1.1 Overview
6.1.2 AC main connections
6.1.3 Output transformer
6.1.4 Number of phases and voltage range
6.1.5 Frequency ranges supplied to EUT
6.1.6 Voltage stability and accuracy
6.1.7 Frequency stability and accuracy
6.1.8 AC output voltage harmonic distortion
6.1.9 Signal interface for hardware in the loop
6.1.10 Durability against impulse test voltage
6.1.11 Other requirements for test properties
6.2 AC power simulator performance and characteristics
Bibliography
Figures
Figure 1 – Examples of ports
Figure 2 – Example of connection of DG systems to utility grid
Figure 3 – Examples of fundamental setup of EUT test system
Tables
Table 1 – Typical maximum harmonic voltage distortion (as per IEC€61000-4-7:2002)
Table 2 – Grid qualification/Requalification – In-range voltage before connection/reconnection
Table 3 – Grid qualification/Requalification – In-range frequency before connection/reconnection
Table 4 – Power capability: Nameplate P, Q, S under normal and near-normal grid conditions
Table 5 – Power capability: Limitation of P/Q/S/PF by setpoint
Table 6 – Power capability: Ramp rate or soft start time-developing magnitude by set€rate
Table 7 – Grid protection tests – AC over-voltage (OV) and under-voltage (UV) trip tests
Table 8 – Grid protection tests: OF/UF trips
Table 9 – Grid protection tests: Anti-islanding
Table 10 – Grid protection tests: ROCOF trips
Table 11 – Grid protection tests: Open phase
Table 12 – Power quality tests: Current harmonics, inter-harmonics, THDi
Table 13 – Power quality tests: Flicker (continuous)
Table 14 – Power quality tests: Current inrush (at connection switch close)
Table 15 – Power quality tests: Current imbalance
Table 16 – Power quality tests: Transient OV on load dump
Table 17 – Grid support tests: UV/OV ride-through with/without Iq injection
Table 18 – Grid support tests: UF/OF ride-through
Table 19 – Grid support tests: ROCOF ride-through
Table 20 – Grid support tests: Phase-jump ride-through
Table 21 – Grid support tests: P (f), PF (P, V), Q (V), P (V)
Table 22 – External command response tests: Magnitude accuracy for P/Q/S/PF by setpoint
Table 23 – External command response tests: Response to external setpoint changes (response time, settling time)
SA/SNZ TS IEC 63106.1:2023
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.