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 Hand-held hand-manipulated current clamps sensors measurement leakage currents electrical
€281.00
Instrument transformers Additional requirements for low-power passive current
€370.00
Conventions concerning electric circuits
€329.00
Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement magnetic properties
Magnetic materials Specifications for individual materials. Magnetically hard
Electric strength of insulating materials. Test methods Additional requirements for tests using direct voltage
€162.00
Electric strength of insulating materials. Test methods Additional requirements for 1,2/50 µs impulse tests
€172.00
Current and voltage sensors or detectors, to be used for fault passage indication purposes System aspects
€390.00
Mineral oil-filled electrical equipment in service. Guidance on the interpretation of dissolved and free gases analysis
Electrostatics Protection of electronic devices from electrostatic phenomena. Properties and requirements classification for packaging intended discharge sensitive
Short-circuit currents in three-phase a.c systems Currents during two separate simultaneous line-to-earth short-circuits and partial short-circuit flowing through earth
Instrument transformers Ferroresonance oscillations in substations with inductive voltage
Uninterruptible power systems (UPS) Electromagnetic compatibility (EMC) requirements
Dielectric and resistive properties of solid insulating materials Determination (DC methods). Volume resistance volume resistivity. General method
€201.00
Short-circuit currents. Calculation of effects Examples calculation
€421.00
