VLT ® 2000 Series I Immunity In order to document immunity towards interference from electrical phenomena that are coupled in, the following immunity test has been made on a system consisting of a VLT frequency converter (with RFI fil- ter module), a screened control cable and control box with poten- tiometer, motor cable and motor. Fault criteria and test were in accordance with EN 50082-2 and IEC 22G/31/FDIS. Special conditions The tests were made using the following standards: IEC 1000-4-4 (IEC 801-4): Burst transients Simulation of interference brought about by coupling with a contactor, relays or similiar devices. IEC 1000-4-2 (IEC 801-2/1991):
Electrostatic discharges (ESD) Simulation of electrostatic discharges from human beings. IEC 1000-4-5 (IEC 801-5): Surge transients Simulation of transients brought about e.g. by light- ning that strikes near installations. IEC 1000-4-3 (IEC 801-3): Incoming electromagenetic field radiation Simulation of the effects of radar and radio communication equipment as well as mobile communication equipment. Section 1 Section 2 Section 3 ENV 50141 (IEC 801-6): Cable conducted HF Simulation of the effect of radio transmission equipment coupled to connection cables. SEN 361503 Mains disturbance Simulation of conducted capacitive interference between control cables and adjacent mains cable.
VDE 0160 class W2 testpulse (draft Oct./1990 yellow): Mains transients Simulation of high-energy transients brought about by main fuse breakage, coupling with phase compensation batteries etc. VLT 2010-2030 1/3x208-240 V, VLT 2040-2050 , 3x208-240 V, VLT 2020-2060 380-460 V Basis standard RF common mode voltage ENV 50141 Surge IEC 1000-4-5 Burst IEC 1000-4-4 Mains freq. test SEN 361503 ESD IEC 1000-4-2 Radiated elec- tromagn. field IEC 1000-4-3 Mains dis- tortion VDE 0160 Acceptance criterion B B A B A - A Port connection CM DM CM CM - - DM CM Line OK OK OK - - - OK OK Motor OK - - - - - - OK Control lines OK - OK OK - - - OK Enclosure - - - - OK OK - - Basic specification:
Line 2kV/5kHz/DCN 1kV/2ohm 2kV/12ohm - - - **2,3 x Ы N 10V rms Motor 2kV/5kHz/CCC - - - - - - 10V rms 2kV/ 2ohm* 8 kV AD 6 kV CD Control lines 2kV/5kHz/CCC - 250V/50Hz - - - 10V rms Enclosure - - - 10V/m - - Acceptance criteria according to: IEC 22G/31/FDIS, EN 50082-2, 175R0740 DM: Differential mode CM: Common mode CCC: Capacitive clamp coupling DCN: Direct coupling network AD: Air Discharge CD: Contact Discharge * Injection on cable shield ** 2,3 x Ы N : max. testpulse 1250 V PEAK MG.20.B6.02 – VLT is a registered Danfoss trademark 91