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PD IEC TS 63106-1:2020 Simulators used for testing of photovoltaic power conversion equipment. Recommendations - AC power simulators, 2020
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- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviated terms
- Figures [Go to Page]
- Figure 1 – Examples of ports
- 4 PCE types with respect to AC voltage levels and grid interconnection
- 5 Test setup for utility interactive PCEs [Go to Page]
- 5.1 General
- Figure 2 – Example of connection of DG systems to utility grid
- 5.2 Test setup examples for utility interaction test [Go to Page]
- 5.2.1 General
- 5.2.2 Types of AC power simulator systems
- Figure 3 – Examples of fundamental setup of EUT test system [Go to Page]
- 5.2.3 Load
- 5.2.4 Line impedance
- 6 General recommendations for AC power simulators [Go to Page]
- 6.1 General [Go to Page]
- 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
- Tables [Go to Page]
- Table 1 – Typical maximum harmonic voltage distortion (as per IEC 61000-4-7:2002) [Go to Page]
- 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
- 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)
- Bibliography [Go to Page]
