Assam HS Skill Subject Power case studies
Assam HS Skill Subject Power · Put your knowledge to work in context.
The Assam Higher Secondary (HS) Skill Subject Examination is part of the skill-subject component integrated for students of Classes IX to XII under the Assam State School Education Board (ASSEB), Division-II - the higher-secondary division created when AHSEC was merged into ASSEB by the Assam State School Education Board Act, 2024. The official portal states that the erstwhile AHSEC now functions as ASSEB Division-II for higher secondary education, and lists both a notification on integrating skill subjects for Classes IX to XII and an SSAM portal used to link ASSEB institutions with Polytechnics, ITIs and Department Heads for delivering those subjects. The Assam HS Skill Subject Power case studies are 5 cases and about 4,102 words.
163 kVA Village Transformer at Its Limit: Replace or Rebalance?
A 63 kVA, 11 kV/433 V distribution transformer on a village feeder in Assam supplies 96 single-phase domestic connections and one 5 HP irrigation pump. During a July evening peak the lineman records phase currents of 82 A (R), 76 A (Y) and 71 A (B) at the LT busbar, with a power factor of 0.86.
799 words, about 4 min2Pump Motor Tripping After Rewind in a Tea Factory
A 7.5 kW, 415 V, three-phase, 4-pole squirrel-cage pump motor at a tea factory was rewound last month. Since then the star-delta starter trips on overload after about four minutes of running, every time.
785 words, about 4 min35 kWp Rooftop Solar Plant Wanted Signed Off in a Hurry
A 5 kWp grid-tied rooftop plant on a school building in Guwahati uses twelve 415 Wp modules in a single string, a 5 kW single-phase inverter with an MPPT window of 120–500 V, and 6 mm² copper DC cable with a 38 m one-way run. On a clear May afternoon at an irradiance of about 950 W/m² the inverter display reads 320 V, 6.5 A and 2.1 kW.
799 words, about 4 min4Nuisance RCCB Tripping in a Two-Storey House
A 30 mA, 63 A two-pole RCCB protects the entire single-phase installation of a two-storey house. It has tripped about once a week for two months, always in the evening and mostly within minutes of the 3 kW storage geyser switching on; the MCB never trips.
839 words, about 4 min55 HP Irrigation Pump 370 m From the Transformer
A 5 HP (3.73 kW), 415 V three-phase submersible pump for a farmer's field is 370 m from the 100 kVA transformer. The existing connection is 2.5 mm² aluminium three-core cable, direct buried, with two joints.
880 words, about 4 min