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11kV Cable Terminations - HV Switchgear Substation Installation & Commission


  • 11kV Cable Terminations – HV Switchgear Substation Installation Commission Published 07 Dec 2017 Project Scope: 11kV Cable Terminations, Switchgear, Transformers – LV HV CablesFeatured Contractor: ISS Industrial Switchgear Services LtdCable Specification: 11kV 3 Core XLPE  Cable BS6622 IEC60502-2Switchgear Type: Air Insulated 11kV High Voltage Switchgear Siemens NXAIRCredit: Peter McKenna (Operations Manager) John Bower (Manager 33kV SAP)All Images Courtesy: ISS Industrial Switchgear Services Ltd11kV TerminationsISS were contracted to carry out the Design, Build Installation of 10 new low voltage switchboards and a 24 panel 11kV high voltage switchboard, cabling and terminations installation.
  • Some features of the high voltage switchgear include:1 As an electrical insulating medium – air is always available2 Type-tested HV switchgear according to IEC 62271-200 or VDE 0671-2003 Use of standardised block-type current transformers4 450,000+ air-insulated switchgear panels of Siemens in operation worldwide5 Uses maintenance-free high voltage vacuum circuit-breakers or contactors6 Testing of the vacuum circuit-breaker and make-proof earthing switch in switchgear panel7 Pressure-resistant partitions8 Flexibility regarding the low-voltage equipment (removable compartment, plug-in wires)9 Quality assurance in accordance with DIN EN ISO 900111kV 24kV Air Insulated High Voltage Switchgear – Siemens NXAIRIndustrial Switchgear ServicesISS Ltd are a HV/LV Power Engineering company operating nationwide, undertaking Turnkey Electrical Distribution Projects and Site Service activities including installation, commissioning, pre-commissioning, final commissioning, HV/LV switching, maintenance, repairs, refurbishment of HV/LV AC DC Switchgear, power transformers, SCADA systems, control panels, HV/LV cabling, cable terminations and associated ancillary equipment.
  • HV Switchgear Cable Terminations 11kV 33kVLV Switchgear Cable Gland TerminationsTransformer RectifiersSubstation Construction 11kV 33kVProtection Control22kV Rail Cable Installation“ISS have completed further 22kV high voltage protection upgrades, upgrading 5 circuits at this particular site, all communicating back to a new 22kV switchboard installed a few miles away on the cable network.


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