الكتاب الشامل فى الإختبارات الكهربية للمهندس / محمد كمال الجوينى
كتاب شامل فى الاختبارات يتناول :
- اختبارات المحولات الكهربية
- اختبارات المولدات الكهربية
- اختبارات القواطع الكهربية
- اختبارات الكابلات الكهربية
- اختبار مقاومة الأرضي
هذا الملف يشمل جميع الإختبارات الكهربية التى تجرى فى محطات التوليد generating Stations مثل :
إختبارات المحولات الكهربية
1. Transformer turns ratio
2. Winding resistance
3. Insulation resistance (megger test)
4. Calibration of winding and oil temperature sensors
5. Oil breaker down voltage (B D V)
6. Magnetizing current test (No load test)
7. Vector group test
8. Secondary current injection for winding temperature indicator
9. Functional check
10. Cooling system check
11. Tan δ test
12. Pushing test
13. Impedance test
14. Zero impedance test
15. On load tap changer test (OLTC)
16. Pressure test
17. Magnetic unbalance test.
1. Transformer turns ratio
2. Winding resistance
3. Insulation resistance (megger test)
4. Calibration of winding and oil temperature sensors
5. Oil breaker down voltage (B D V)
6. Magnetizing current test (No load test)
7. Vector group test
8. Secondary current injection for winding temperature indicator
9. Functional check
10. Cooling system check
11. Tan δ test
12. Pushing test
13. Impedance test
14. Zero impedance test
15. On load tap changer test (OLTC)
16. Pressure test
17. Magnetic unbalance test.
إختبارات المولدات الكهربية
1. Megger test for armature by 5KV.
2. Megger test for field by 500V.
3. Winding resistance for armature test.
4. Winding resistance for field test.
5. Earthing resistance test.( measure resistance by multimeter)
6. Earthing transformer test ( ratio, megger and resistance )
1. Megger test for armature by 5KV.
2. Megger test for field by 500V.
3. Winding resistance for armature test.
4. Winding resistance for field test.
5. Earthing resistance test.( measure resistance by multimeter)
6. Earthing transformer test ( ratio, megger and resistance )
إختبارات مفاتيح الجهد العالى
1. Timing test
2. Contact resistance
3. Megger test
4. High pot test
إختبارات كابلات الجهد العالى
1. Megger for cable 5KV
2. High pot 10 KV for earthing sheath
3. High pot 152 KV /phase at cable normal voltage 132/√3 per phase (2VnP)
4. Injection 3Ф 100A at this cable and measure leakage in the earthing cable
5. Measure positive impedance Z+ & negative Impedance Z-
6. Measure zero impedance Z0
7. Measure dc resistance RDC
8. Contact resistance for earth joint
9. Megger test for (SVL)
2. High pot 10 KV for earthing sheath
3. High pot 152 KV /phase at cable normal voltage 132/√3 per phase (2VnP)
4. Injection 3Ф 100A at this cable and measure leakage in the earthing cable
5. Measure positive impedance Z+ & negative Impedance Z-
6. Measure zero impedance Z0
7. Measure dc resistance RDC
8. Contact resistance for earth joint
9. Megger test for (SVL)
إختبار مقاومة الأرضى
شكل الجهاز وطريقة الإختبار
Battery discharge test
شكل الجهاز وطريقة الإختبار
Battery discharge test
رابط التحميل
تابع أيضاَ :
كتاب : أعمال اختبارات التشغيل والصيانة بشبكات التوزيع