BOWTHORPE EMP High Voltage Polymeric Surge Arrester (IEC)
●Qualification testing:
■Decades of design and development experience have been used to produce today’s TE Connectivity HV surge arresters. The construction comprises of a number of ZnO elements, assembled within a open cage construction, which has a silicone rubber moulded shed profile chemically bonded to the surface of the core.
■TE Connectivity HV surge arresters are designed and manufactured to the current IEC60099-4: 2014 standard and the following tests have been successfully performed.
●Test performed on metal oxide blocks:
■IEC clause 10.8.3 – Residual Voltage Test
■IEC Clause 10.8.4 – Long Term Stability Test
■IEC Clause 10.8.5 – Charge Transfer Test*
■IEC Clause 10.8.7 – Operating Duty test
■IEC Clause 10.8.8 – TOV Test
■IEC Clause 10.8.15 – Dielectric strength of internal components
●Test performed on complete surge arresters:
■IEC Clause 10.8.6 – Cooling Test
■IEC Clause 10.8.10 – Short Circuit Tests
■IEC Clause 10.8.11 – Bending Moment Tests
■IEC Clause 10.8.14 – RIV Tests
■IEC Clause 10.8.17 – Weather Ageing Tests
●Insulation withstand tests on surge arrester housing:
■IEC Clause 10.8.2 – Insulation tests include
■Dry lightning impulse
■Wet power frequency
■Wet switching impulse
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