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eLibrary > 23/30476406 DC BS EN IEC 61000-4-30. Electromagnetic compatibility (EMC) - Part 4-30. Testing and measurement techniques. Power quality measurement methods >

23/30476406 DC BS EN IEC 61000-4-30. Electromagnetic compatibility (EMC) - Part 4-30. Testing and measurement techniques. Power quality measurement methods, 2023

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23/30476406 DC BS EN IEC 61000-4-30. Electromagnetic compatibility (EMC) - Part 4-30. Testing and measurement techniques. Power quality measurement methods, 2023

77A_1178e_CD.pdf [Go to Page]
FOREWORD
INTRODUCTION [Go to Page]
Part 1: General
Part 2: Environment
Part 3: Limits
Part 4: Testing and measurement techniques
Part 5: Installation and mitigation guidelines
Part 6: Generic standards
Part 9: Miscellaneous
1 Scope
2 Normative References and Bibliography [Go to Page]
2.1 Normative References
3 Terms and definitions
4 General [Go to Page]
4.1 Classes of measurement
4.2 Organization of the measurements
4.3 Electrical values to be measured
4.4 Measurement aggregation over time intervals
4.5 Measurement aggregation algorithm [Go to Page]
4.5.1 Requirements
4.5.2 150/180-cycle aggregation
4.5.3 10-min aggregation
4.5.4 2-hour aggregation
4.6 Time clock uncertainty
4.7 Flagging concept
5 Power quality parameters [Go to Page]
5.1 Power frequency [Go to Page]
5.1.1 Measurement method
5.1.2 Maximum permissible measurement error and measuring range
5.1.3 Measurement evaluation
5.1.4 Aggregation
5.2 Magnitude of the supply voltage [Go to Page]
5.2.1 Measurement method
5.2.2 Maximum permissible measurement error and measuring range
5.2.3 Measurement evaluation
5.2.4 Aggregation
5.3 Flicker [Go to Page]
5.3.1 Measurement method
5.3.2 Maximum permissible measurement error and measuring range
5.3.3 Measurement evaluation
5.3.4 Aggregation
5.4 Supply voltage events [Go to Page]
5.4.1 Measurement method [Go to Page]
5.4.1.1 Basic r.m.s. voltage measurement
5.4.1.2 Calculation of a sliding reference voltage
5.4.2 Voltage dips on single-phase systems [Go to Page]
5.4.2.1 Voltage dip detection
5.4.2.2 Voltage dip evaluation
5.4.3 Voltage swells on single-phase systems [Go to Page]
5.4.3.1 Voltage swell detection
5.4.3.2 Voltage swell evaluation
5.4.4 Voltage events on polyphase systems [Go to Page]
5.4.4.1 Polyphase voltage event detection
5.4.4.2 Polyphase voltage event evaluation
5.4.5 Maximum permissible measurement error and measuring range [Go to Page]
5.4.5.1 Voltage maximum permissible measurement error
5.4.5.2 Duration maximum permissible measurement error
5.4.6 Aggregation
5.5 Supply Voltage interruptions [Go to Page]
5.5.1 Measurement method
5.5.2 Detection and evaluation
5.5.3 Maximum permissible measurement error and measuring range
5.5.4 Aggregation
5.6 Transient voltages
5.7 Supply voltage unbalance [Go to Page]
5.7.1 Measurement method
5.7.2 Maximum permissible measurement error and measuring range
5.7.3 Measurement evaluation
5.7.4 Aggregation
5.8 Voltage harmonics [Go to Page]
5.8.1 Measurement method
5.8.2 Maximum permissible measurement error and measuring range
5.8.3 Measurement evaluation
5.8.4 Aggregation
5.9 Voltage interharmonics [Go to Page]
5.9.1 Measurement method
5.9.2 Maximum permissible measurement error and measuring range
5.9.3 Evaluation
5.9.4 Aggregation
5.10 MCS voltage on the supply voltage [Go to Page]
5.10.1 General
5.10.2 Measurement method
5.10.3 Maximum permissible measurement error and measuring range
5.10.4 Aggregation
5.11 Rapid voltage change (RVC) [Go to Page]
5.11.1 General
5.11.2 RVC event detection [Go to Page]
5.11.2.1 Single-phase RVC detection
5.11.2.2 Polyphase RVC detection
5.11.3 RVC event evaluation [Go to Page]
5.11.3.1 Single-phase RVC reporting
5.11.3.2 Polyphase RVC reporting
5.11.4 Maximum permissible measurement error
5.12 Current [Go to Page]
5.12.1 General
5.12.2 Magnitude of current [Go to Page]
5.12.2.1 Measurement
5.12.2.2 Maximum permissible measurement error and measuring range
5.12.2.3 Measurement evaluation
5.12.3 Current recording
5.12.4 Harmonic currents
5.12.5 Interharmonic currents
5.12.6 Current unbalance
6 Performance verification
Annex A (informative) Power quality measurements – Issues and guidelines [Go to Page]
A.1 General
A.2 Installation precautions [Go to Page]
A.2.1 General
A.2.2 Test leads [Go to Page]
A.2.2.1 General
A.2.2.2 Voltage test leads
A.2.2.3 Current test leads
A.2.3 Guarding of live parts
A.2.4 Monitor placement
A.2.5 Earthing
A.2.6 Interference
A.3 Transducers [Go to Page]
A.3.1 General
A.3.2 Signal levels [Go to Page]
A.3.2.1 Voltage transducers
A.3.2.2 Current transducers
A.3.3 Frequency response of transducers [Go to Page]
A.3.3.1 Frequency and phase response of voltage transducers
A.3.3.2 Frequency and phase response of current transducers
A.3.4 Transducers for measuring transients
A.4 Transient voltages and currents [Go to Page]
A.4.1 General
A.4.2 Terms and definitions
A.4.3 Frequency and amplitude characteristics of a.c. mains transients
A.4.4 Transient voltage detection
A.4.5 Transient voltage evaluation
A.4.6 Effect of surge protective devices on transient measurements
A.5 Voltage dip characteristics [Go to Page]
A.5.1 General
A.5.2 Rapidly updated r.m.s. values
A.5.3 Phase angle/point-on-wave
A.5.4 Voltage dip unbalance
A.5.5 Phase shift during voltage dip
A.5.6 Missing voltage
A.5.7 Distortion during voltage dip
A.5.8 Other characteristics and references
Annex B (informative) Power Quality measurement – Guidance for applications [Go to Page]
B.1 Contractual applications of power quality measurements [Go to Page]
B.1.1 General
B.1.2 General considerations
B.1.3 Specific considerations [Go to Page]
B.1.3.1 General
B.1.3.2 Power frequency
B.1.3.3 Magnitude of the supply voltage
B.1.3.4 Flicker
B.1.3.5 Voltage dips/swells
B.1.3.6 Voltage interruptions
B.1.3.7 Supply voltage unbalance
B.1.3.8 Harmonic voltages
B.1.3.9 Interharmonic voltages
B.1.3.10 MCS voltage on the supply voltage
B.2 Statistical survey applications [Go to Page]
B.2.1 General
B.2.2 Considerations
B.2.3 Power quality indices [Go to Page]
B.2.3.1 Characterizing a single point on the network
B.2.3.2 Characterizing an entire network
B.2.4 Monitoring objectives
B.2.5 Economic aspects of power quality surveys
B.3 Locations and types of surveys [Go to Page]
B.3.1 Monitoring locations
B.3.2 Pre-monitoring site surveys
B.3.3 Customer side site survey
B.3.4 Network side survey
B.4 Connections and quantities to measure [Go to Page]
B.4.1 Equipment connection options
B.4.2 Priorities: Quantities to measure
B.4.3 Current monitoring
B.5 Selecting the monitoring thresholds and monitoring period [Go to Page]
B.5.1 Monitoring Thresholds
B.5.2 Monitoring period
B.6 Statistical analysis of the measured data [Go to Page]
B.6.1 General
B.6.2 Indices
B.7 Trouble-shooting applications [Go to Page]
B.7.1 General
B.7.2 Power quality signatures
B.7.3 Waveform data format
Annex C (informative) Functional design and specification for measurements in the 2 kHz to 9 kHz range for Class A and S equipment [Go to Page]
C.1 General
C.2 Voltage disturbances in the 2 kHz to 9 kHz range [Go to Page]
C.2.1 Measurement method
C.2.2 Maximum permissible measurement error and measuring range
C.2.3 Aggregation [Go to Page]
C.2.3.1 Aggregation time intervals
C.2.3.2 Aggregation algorithm
Annex D (informative) Functional design and specifications for measurements in the 9 kHz to 150 kHz range [Go to Page]
D.1 General
D.2 Background
D.3 Comparability requirements
D.4 Method overview
D.5 Signal input stage [Go to Page]
D.5.1 Input filtering
D.5.2 Frequency response
D.5.3 Transducer compensation
D.5.4 Measuring range
D.5.5 Overload detection
D.6 Fourier transform stage [Go to Page]
D.6.1 DFT window design
D.6.2 Application of the DFT
D.6.3 Selectivity and power bandwidth
D.7 CISPR detector stage [Go to Page]
D.7.1 RMS detector
D.7.2 Peak detector
D.7.3 Quasi-Peak detector
D.7.4 Average detector
D.7.5 RMS-Average detector
D.8 CISPR indicator stage
D.9 Adjustment of time constants
D.10 Accuracy requirements [Go to Page]
D.10.1 General
D.10.2 Accuracy requirements for measuring steady-state sinusoidal signals
D.10.3 Accuracy requirements for measuring impulsive signals [Go to Page]
D.10.3.1 Response to pulses at a repetition rate of 100 Hz
D.11 Aggregation [Go to Page]
D.11.1 General
D.11.2 RMS detector
D.11.3 CISPR detectors
D.12 Integration of signal levels over frequency
Bibliography [Go to Page]

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23/30476406 DC BS EN IEC 61000-4-30. Electromagnetic compatibility (EMC) - Part 4-30. Testing and measurement techniques. Power quality measurement methods, 2023

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