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BS EN 61869-4:2014 Instrument transformers - Additional requirements for combined transformers, 2014
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and abbreviations
- 4 Normal and special service conditions
- 5 Ratings
- 6 Design and construction
- 7 Tests
- 8 Rules for transport, storage, erection, operation and maintenance
- 9 Safety
- 10 Influence of products on the natural environment
- Annexes
- Annex 4A (normative) The mutual influence of current and voltage transformers
- Figure 401 – Geometrical construction of the circuit
- Figure 403 – Measurement 5
- Figure 402 – Measurement 4
- Figure 404 – Error diagram of a voltage transformer class 0,2
- Figure 405 – Error diagram of a current transformer class 0,2 at 5 % of rated current
- Figure 4A.1 – Current conductor and magnetic field influencing a voltage transformer
- Table 10 – List of tests
- Français [Go to Page]
- SOMMAIRE
- AVANT-PROPOS
- 1 Domaine d’application
- 2 Références normatives
- 3 Termes, définitions et abréviations
- 4 Conditions de service normales et spéciales
- 5 Caractéristiques assignées
- 6 Conception et construction
- 7 Essais
- 8 Rules for transport, storage, erection, operation and maintenance
- 9 Safety
- 10 Influence of products on the natural environment
- Annexes
- Annexe 4A (normative)Influence mutuelle des transformateurs de courant et de tension
- Figure 401 – Construction géométrique du circuit
- Figure 402 – Mesure 4
- Figure 403 – Mesure 5
- Figure 404 – Diagramme d’erreur d’un transformateur de tension de classe 0,2
- Figure 405 – Diagramme d’erreur d’un transformateur de courantde classe 0,2 à 5 % du courant assigné
- Figure 4A.1 – Conducteur de courant et champ magnétique influençant un transformateur de tension
- Tableau 10 – Liste des essais [Go to Page]
