Insulators for overhead lines. Composite line post insulators AC systems with a nominal voltage greater than 1 000 V Definitions, end fittings and designations
€329.00
Insulation co-ordination Application guidelines
€421.00
Electrcity metering data exchange. The DLMS/COSEM suite application layer
BS EN 61857-33. Electrical insulation systems. Procedures for thermal evaluation. Part 33. Multifactor evaluation with increased factors at elevated temperature
€24.00
Electrical insulation systems. Procedures for thermal evaluation Multifactor with increased factors during diagnostic testing
€281.00
Bushings above 1 kV up to 52 and from 250 A 3,15 kA for liquid filled transformers Requirements bushing fixations
€201.00
Railway applications. Fixed installations. Electric traction. Specific requirements for composite insulators used for overhead contact line systems
BS EN 61857-41. Electrical insulation systems. Procedures for thermal evaluation Part 41. Specific requirements electrical systems use in dry-type high-voltage transformers with operating voltages of 1kV and above
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 500 d.c. Equipment for testing, measuring or monitoring of protective measures insulation fault location IT
Evaluation and qualification of electrical insulation systems
Electrical safety in low voltage distribution systems up to 1 000 V AC and 500 DC. Equipment for testing, measuring or monitoring of protective measures General requirements
Electrical safety in low voltage distribution systems up to 1 000 V AC and 500 DC. Equipment for testing, measuring or monitoring of protective measures Insulation resistance
Electrical safety in low voltage distribution systems up to 1 000 V AC and 500 DC. Equipment for testing, measuring or monitoring of protective measures Part 3. Loop impedance
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 500 d.c.. Equipment for testing, measuring or monitoring of protective measures Effectiveness residual current devices (RCD) TT, TN IT
Insulation co-ordination Definitions, principles and rules
