Explore Rockwill’s centralized resource hub for critical technical documentation and industry knowledge. We provide downloadable white papers on smart grid trends, fault detection technologies, and energy transition strategies — ideal for engineers, project planners, and utility operators.
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SEC SPECIFICATION FOR SURGE ARRESTERS FOR 13.8KV AND 33KV MEDIUM-VOLTAGE OVERHEAD DISTRIBUTION NETWORK
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This PDF is SEC utility technical specification for 13.8kV‑33kV overhead‑network surge arresters, intended for EPC contractors, bidders and design‑institutes for tender response, gap‑analysis and technical evaluation. This gapless metal‑oxide surge arrester complies with IEC 60099‑4 and SEC local project specifications. It covers two classes: heavy‑duty with 20kA short‑circuit rating and riser‑pole type with 31.5kA short‑circuit rating, 10kA nominal discharge‑current, 60Hz system, defined MCOV a
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SEC SPECIFICATIONS FOR SMART MV AUTO-RECLOSER
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This PDF is Saudi Electricity Company utility‑grade technical specification for pole‑mounted smart medium‑voltage auto‑recloser, for EPC contractors, bidders and design‑institutes for tender response, technical gap‑analysis and pre‑award evaluation. The pole‑mounted auto‑recloser complies with IEC 62271‑100, IEEE C37.60, IEC 60870‑5, IEC 61850 and SEC local project requirements.Key ratings cover 13.8‑36 kV, 560A continuous current, 12kA 3‑second short‑time withstand & breaking capacity, adju
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RSP specification for mv smart line sectionalizer
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This PDF is SEC’s utility‑grade technical specification for pole‑mounted smart line sectionalizer, for EPCs, bidders and design institutes for tender submission, gap analysis and pre‑award review. It follows IEC 62271‑103, ANSI C37.63, IEC 60870‑5, IEC 61850 and SEC requirements. Ratings: 13.8‑36 kV, 400A continuous current, 10kA‑3s short‑time withstand; adjustable 16‑640A phase‑fault, 3.5‑320A earth‑fault, 1‑3 configurable trip counts. Equipped with vacuum/SF6 interruption, sealed stainless‑ste
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EEHC Distribution materials specification for 24kv ring mian units
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This document applies to the technical requirements for the design, testing, supply, installation, and related supporting equipment (sensors, controllers, cables, etc.) of Ring Main Units on EEHC in 24kV HV Switchgear.ROCKWILL 24kV Ring Main Unit is engineered to fully comply with EEHC Distribution Materials Specification EDMS 02-202-1 for Egyptian medium voltage distribution network. It covers both gas-insulated (GIS) and air-insulated (AIS) type, rated voltage 24kV, rated current up to 630A
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Specification for 33kV Vacuum Automatic Recloser by Kenya Power and Lighting Company Limited (KPLC)
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This document applies to the technical requirements for the design, testing, supply, installation, and related supporting equipment (sensors, controllers, cables, etc.) of automatic reclosing on 33kV columns in Kenya Power and Lighting Company Limited (KPLC) 33kV 50Hz medium voltage distribution network.ROCKWILL 33kV Vacuum Automatic Recloser is pole-mounted outdoor equipment fully engineered to satisfy KPLC specification for Kenya’s 33kV overhead distribution network. Nominal system voltage 33k
