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Causes of high temperature of electrical converters (comprehensive guide) and required procedures Mechanical and Engineering Reasons: 1. Increasing the load from the filtered energy of the transformer. 2. Deficiency of coolant oil level above the required limit. 3. An imbalance of loads between phases, resulting in one development loading more than others. 4. Clogged internal cooling ducts with impurities or sludge. 5. The iron heart bends or distorts, which increases the iron deficiency. 6. Collapse or damage of iron heart isolation, causing high rotational currents. 7. Increase in oil spout due to aging or severely low ambient temperature, preventing its natural flow to cooling fins. 8. Failure to connect the iron heart assembly screws tightly from the inside, causing vibrations and friction. 9. Oil vapor compression in penetration insulation, which reduces insulation efficiency and increases heating. 10. Poor connections and external connections at the supply ends (cable), which increases electrical resistance and thus heat. 11. Clog the ventilation vents if the adapter is inside a booth or room, preventing heat from spreading. --- Additional electrical and operational reasons: 1. Overvoltage is higher than the masked value, which leads to iron heart saturation, sharp rise in iron feces and temperature. 2. The presence of electrical harmonies (Harmonics) in the grid, resulting from nonlinear loads such as (electronic reflectors, VFD engines, arch ovens). These harmonies caused extra circular currents to heat up files and the heart. 3. Auxiliary Cooling Systems Failure: In large transformers relying on forced cooling (such as OFAF or ONAF types), any failure in fans or oil circulation pumps leads to a rapid rise in temperature. 4. Oil insulation deteriorates properties: the presence of moisture or water in the oil greatly reduces its heat transfer efficiency and weakens its insulation properties, and may cause micro sparks that raise heat. 5. Interior insulation materials age and deteriorate over time, resulting in electrical leaks and postural heating. --- In case of high temperature: required measures for each type First up: in the distribution converters (small/medium) When observing converter temperature rise: · Reduce load immediately: Reduce the load connected to the transformer, especially if the load is close to its concealed capacity. · Balance check: Measuring the current of the three shores and checking for major interference between them. · External optical examination: · checking the level of converter oil. · Inspect external power points and cable for any signs of heat or damage. · Cleaning the cooling fins (radiators) of soil and dirt. · Making sure booth vents (if any) are not clogged. · Emergency ventilation: opening booth doors or using auxiliary fans to improve cooling (as a temporary comparison). · Stop the transformer if the temperature continues to rise or exceeds the allowed limit, and inform specialized technicians. · Maintenance request: This often requires oil quality checks, isolation tests, and correction of any connection issues. --- Again: in capacity converters (large ones at main stations) When the temperature alarm goes on: 1. Checking the Surveillance Systems (SCADA/Instant Surveillance): · Read oil temperatures and files accurately. · Check converter load data and date. · Reviewing network effort to ensure there is no uptick in effort. 2. Manual operation of a cooling system: · Check that all cooling fans turn on manually if they are on auto mode. · Ensure that the oil recycling pumps are working (if any). · Checking to open the valves of the extra cooling systems. #transformer #powergeneration #transmission

Causes of high temperature of electrical converters (comprehensive guide) and required procedures Mechanical and Engineering Reasons: 1. Increasing the load from the filtered energy of the transformer. 2. Deficiency of coolant oil level above the required limit. 3. An imbalance of loads between phases, resulting in one development loading more than others. 4. Clogged internal cooling ducts with impurities or sludge. 5. The iron heart bends or distorts, which increases the iron deficiency. 6. Collapse or damage of iron heart isolation, causing high rotational currents. 7. Increase in oil spout due to aging or severely low ambient temperature, preventing its natural flow to cooling fins. 8. Failure to connect the iron heart assembly screws tightly from the inside, causing vibrations and friction. 9. Oil vapor compression in penetration insulation, which reduces insulation efficiency and increases heating. 10. Poor connections and external connections at the supply ends (cable), which increases electrical resistance and thus heat. 11. Clog the ventilation vents if the adapter is inside a booth or room, preventing heat from spreading. --- Additional electrical and operational reasons: 1. Overvoltage is higher than the masked value, which leads to iron heart saturation, sharp rise in iron feces and temperature. 2. The presence of electrical harmonies (Harmonics) in the grid, resulting from nonlinear loads such as (electronic reflectors, VFD engines, arch ovens). These harmonies caused extra circular currents to heat up files and the heart. 3. Auxiliary Cooling Systems Failure: In large transformers relying on forced cooling (such as OFAF or ONAF types), any failure in fans or oil circulation pumps leads to a rapid rise in temperature. 4. Oil insulation deteriorates properties: the presence of moisture or water in the oil greatly reduces its heat transfer efficiency and weakens its insulation properties, and may cause micro sparks that raise heat. 5. Interior insulation materials age and deteriorate over time, resulting in electrical leaks and postural heating. --- In case of high temperature: required measures for each type First up: in the distribution converters (small/medium) When observing converter temperature rise: · Reduce load immediately: Reduce the load connected to the transformer, especially if the load is close to its concealed capacity. · Balance check: Measuring the current of the three shores and checking for major interference between them. · External optical examination: · checking the level of converter oil. · Inspect external power points and cable for any signs of heat or damage. · Cleaning the cooling fins (radiators) of soil and dirt. · Making sure booth vents (if any) are not clogged. · Emergency ventilation: opening booth doors or using auxiliary fans to improve cooling (as a temporary comparison). · Stop the transformer if the temperature continues to rise or exceeds the allowed limit, and inform specialized technicians. · Maintenance request: This often requires oil quality checks, isolation tests, and correction of any connection issues. --- Again: in capacity converters (large ones at main stations) When the temperature alarm goes on: 1. Checking the Surveillance Systems (SCADA/Instant Surveillance): · Read oil temperatures and files accurately. · Check converter load data and date. · Reviewing network effort to ensure there is no uptick in effort. 2. Manual operation of a cooling system: · Check that all cooling fans turn on manually if they are on auto mode. · Ensure that the oil recycling pumps are working (if any). · Checking to open the valves of the extra cooling systems. #transformer #powergeneration #transmission

Không phải sách nói, không phải sách điện tử, không phải kindle, mà điều này chỉ có ở sách giấy 📚📖 #nhagiakim #reviewsach #BookTok #TikTokShopFUNFEST #tusachcuatran

Không phải sách nói, không phải sách điện tử, không phải kindle, mà điều này chỉ có ở sách giấy 📚📖 #nhagiakim #reviewsach #BookTok #TikTokShopFUNFEST #tusachcuatran

#ethioforumኢትዮፎረም 24/12/2018

#ethioforumኢትዮፎረም 24/12/2018

وہ لڑکی نہیں میری پیاری سی گڑیا ہے 🥹🫶🏻🩷 . . . . . . . .#SadPoetry #Pain #HeartBroken #UrduPoetry #Viral

وہ لڑکی نہیں میری پیاری سی گڑیا ہے 🥹🫶🏻🩷 . . . . . . . .#SadPoetry #Pain #HeartBroken #UrduPoetry #Viral

A life surrounded only by the agreement of friends produces certainty, but certainty is a poor teacher. Opposition is far more generous. For the enemy may seek your downfall, yet it is often he who forces your ascent. #philosophy #stoicism #wisdom #stoicphilosophy #power

A life surrounded only by the agreement of friends produces certainty, but certainty is a poor teacher. Opposition is far more generous. For the enemy may seek your downfall, yet it is often he who forces your ascent. #philosophy #stoicism #wisdom #stoicphilosophy #power

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