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eLibrary > BS EN 61557-14:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for testing the safety of electrical equipment of machinery >

BS EN 61557-14:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for testing the safety of electrical equipment of machinery, 2013

BS EN 61557-14:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for testing the safety of electrical equipment of machinery, 2013

30282646-VOR.pdf [Go to Page]
English [Go to Page]
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements [Go to Page]
4.1 General requirements
4.2 Measuring quantities [Go to Page]
4.2.1 General
4.2.2 Measurement of resistance of protective bonding
4.2.3 Measurement of loop resistance
4.2.4 Measurement of insulation resistance
4.2.5 Testing of the effectiveness of protective measures with RCD
4.2.6 Testing of dielectric strength
4.2.7 Measurement of residual voltage
4.2.8 Measurement of leakage current
4.3 Construction requirements for testing equipment [Go to Page]
4.3.1 Overload capability
4.3.2 Terminals
4.3.3 Sockets for service purposes
4.3.4 Degree of protection
4.3.5 Class of protection
4.3.6 Resistance of protective bonding
4.3.7 Battery control
4.3.8 Mechanical requirements
4.3.9 Pollution degree
4.3.10 Overvoltage and measurement categories
4.3.11 Electromagnetic compatibility (EMC)
4.3.12 Accessories
5 Markings and operating instructions [Go to Page]
5.1 Markings
5.2 Operating instructions
6 Tests [Go to Page]
6.1 General
6.2 Operating uncertainty
6.3 Variations [Go to Page]
6.3.1 Variation due to position
6.3.2 Variation due to supply voltage
6.3.3 Variation due to temperature
6.3.4 Variation due to phase angle of loop impedance
6.3.5 Variation due to system frequency
6.3.6 Variation due to system voltage
6.3.7 Variation due to harmonics
6.3.8 Variation due to d.c. quantities
6.3.9 Variations due to external low frequency magnetic field (if applicable)
6.3.10 Variations due to load current (if applicable)
6.3.11 Variations due to touch current caused by common mode voltage (if applicable)
6.3.12 Variations due to frequency of measured current (if applicable)
6.3.13 Variations due to repeated clamping (if applicable)
6.4 Tests of measuring equipment according to measuring functions
6.5 Test of construction requirements of test equipment
Bibliography
Tables [Go to Page]
Table 1 – Test voltages
Table 2 – Determination of operating uncertainty
Table 3 – Compliance tests of measuring equipment according to measuring function
Table 4 – Test of construction requirements of test equipment
Français [Go to Page]
SOMMAIRE
AVANT-PROPOS
INTRODUCTION
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Exigences [Go to Page]
4.1 Exigences générales
4.2 Grandeurs mesurées [Go to Page]
4.2.1 Généralités
4.2.2 Mesure de la résistance de la liaison de protection
4.2.3 Mesure de la résistance de boucle
4.2.4 Mesure de la résistance d'isolement
4.2.5 Essai de l'efficacité des mesures de protection avec les dispositifs à courant résiduel (DCR)
4.2.6 Essai de rigidité diélectrique
4.2.7 Mesure de la tension résiduelle
4.2.8 Mesure du courant de fuite
4.3 Exigences de construction pour les dispositifs d’essai [Go to Page]
4.3.1 Capacité de surcharge
4.3.2 Bornes
4.3.3 Ports pour maintenance
4.3.4 Degré de protection
4.3.5 Classe de protection
4.3.6 Résistance de la liaison de protection
4.3.7 Contrôle de la pile
4.3.8 Exigences mécaniques
4.3.9 Degré de pollution
4.3.10 Catégories de surtension et de mesure
4.3.11 Compatibilité électromagnétique (CEM)
4.3.12 Accessoires
5 Marquages et instructions d'utilisation [Go to Page]
5.1 Marquages
5.2 Instructions d'utilisation
6 Essais [Go to Page]
6.1 Généralités
6.2 Incertitude de fonctionnement
6.3 Variations [Go to Page]
6.3.1 Variation due à la position
6.3.2 Variation due à la tension d'alimentation
6.3.3 Variation due à la température
6.3.4 Variation due à l'angle de phase de l'impédance de boucle
6.3.5 Variation due à la fréquence du réseau
6.3.6 Variation due à la tension du réseau
6.3.7 Variation due aux harmoniques
6.3.8 Variation due aux composantes courant continu du réseau
6.3.9 Variations dues au champ magnétique externe à basse fréquence (si applicable)
6.3.10 Variations dues au courant de charge (si applicable)
6.3.11 Les variations dues au courant de contact engendré par la tension en mode commun (si applicable)
6.3.12 Variations dues à la fréquence du courant mesuré (si applicable)
6.3.13 Variations dues au calage répété (si applicable)
6.4 Essais du dispositif de mesure selon les fonctions de mesure
6.5 Essai des exigences de construction des dispositifs d’essai
Bibliographie
Tableaux [Go to Page]
Tableau 1 – Tensions d'essai
Tableau 2 – Détermination de l'incertitude de fonctionnement
Tableau 3 – Essais de conformité des dispositifs de mesure selon la fonction de mesure
Tableau 4 – Essai des exigences de construction des dispositifs d’essai [Go to Page]

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BS EN 61557-14:2013 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for testing the safety of electrical equipment of machinery, 2013

To continue with accurate pricing,
please select your company type below: