ENA ER P28 : ISSUE 1 1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PLANNING LIMITS FOR VOLTAGE FLUCTUATIONS CAUSED BY INDUSTRIAL, COMMERCIAL AND DOMESTIC EQUIPMENT IN THE UNITED KINGDOM
12-01-2013
06-02-2020
1 SCOPE
2 DEFINITIONS
3 FORM OF RECOMMENDATION
4 INTRODUCTION
5 STAGE 1 ASSESSMENT AND LIMITS
6 STAGE 2 ASSESSMENT AND LIMITS
7 STAGE 3 ASSESSMENT AND LIMITS
8 SITE MEASUREMENTS
9 APPLICATION
APPENDIX A - FLICKER SEVERITY MEASUREMENT AND ASSESSMENT
APPENDIX B - EXAMPLES OF STAGE 2 ASSESSMENTS
APPENDIX C - EXAMPLES OF THE CALCULATIONS
REQUIRED TO DETERMINE THE VOLTAGE
FLUCTUATIONS CAUSED BY LOAD WITH P.C.C AT LV
APPENDIX D - SYSTEM DATA IN THE FORM OF OHMIC
VALUES TO AN LV BASE
APPENDIX E - REFERENCES
APPENDIX F - DECISION TREE FOR ACCEPTING FLUCTUATING LOADS
Describes all devices and equipment not specifically covered in BS 5406 (1988) - 'Disturbances in supply systems caused by household appliances and similar equipment'. ETR 117 (in preparation), offers further information and background to this Engineering Recommendation.
| DevelopmentNote |
Supersedes ENA ER P7-2, ENA ER P8, ENA ER P9 and ENA ER P13-1. (05/2002)
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| DocumentType |
Standard
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| PublisherName |
Energy Networks Association (UK)
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| ENA ER G81-4 : ISSUE 3 2016 | FRAMEWORK FOR NEW INDUSTRIAL AND COMMERCIAL UNDERGROUND CONNECTIONS - PART 4: DESIGN AND PLANNING |
| ENA ER G81-1 : ISSUE 3 2016 | FRAMEWORK FOR NEW LOW VOLTAGE HOUSING DEVELOPMENT INSTALLATIONS - PART 1: DESIGN AND PLANNING |
| ENA ER P29 : ISSUE 1 1990 | PLANNING LIMITS FOR VOLTAGE UNBALANCE IN THE UK FOR 132KV AND BELOW |
| ENA ER G5-4-1 : ISSUE 4 AMD 1 2005 | PLANNING LEVELS FOR HARMONIC VOLTAGE DISTORTION AND THE CONNECTION OF NON-LINEAR EQUIPMENT TO TRANSMISSION SYSTEMS AND DISTRIBUTION NETWORKS IN THE UNITED KINGDOM |
| ENA ER G100 : ISSUE 1 AMD 1 2017 | TECHNICAL GUIDANCE FOR CUSTOMER EXPORT LIMITING SCHEMES |
| ENA ER G83/2 : ISSUE 2 2012 | RECOMMENDATIONS FOR THE CONNECTION OF TYPE TESTED SMALL-SCALE EMBEDDED GENERATORS (UP TO 16A PER PHASE) IN PARALLEL WITH LOW-VOLTAGE DISTRIBUTION SYSTEMS |
| ESI 09-9 : ISSUE 5 | POLYMERIC INSULATED, COMBINED NEUTRAL EARTH (CNE) CABLES WITH SOLID ALUMINIUM PHASE CONDUCTORS AND CONCENTRIC ALUMINIUM WIRE WAVEFORM NEUTRAL EARTH CONDUCTOR |
| IEC TR 60725:2012 | Consideration of reference impedances and public supply network impedances for use in determining the disturbance characteristics of electrical equipment having a rated current ≤75 A per phase |
| BEB L6 : ISSUE 1 AMD 1 1969 | SPECIFICATION FOR 400 KV STEEL TOWER TRANSMISSION LINES WITH 4 X 0.4 SQ.IN. CU EQUIV.SCA CONDUCTOR PER PHASE |
| ESI 09-8 : ISSUE 4 | IMPREGNATED PAPER INSULATED 600/1000 VOLT CABLE WITH THREE SOLID ALUMINIUM PHASE CONDUCTORS AND ALUMINIUM SHEATH/NEUTRAL CONDUCTOR (CONSAC) |
| ENA ER P17 PT2 : ISSUE 1 1976 | CURRENT RATING GUIDE FOR DISTRIBUTION CABLES - PART 2: SOLID TYPE CABLES FOR 33 KV |
| ESI 43-20 : ISSUE 1 | 11kV AND 33kV SINGLE CIRCUIT OVERHEAD LINES OF HEAVY CONSTRUCTION ON WOOD POLES |
| CEI EN 60868 : 1997 | |
| ESI 43-10 : ISSUE 1 | 11kV SINGLE CIRCUIT OVERHEAD LINES OF LIGHT CONSTRUCTION ON WOOD POLES |
| ENA ER P16 : ISSUE 1 1975 | EHV OR HV SUPPLIES TO INDUCTION FURNACES |