1. Ministry of Electricity & Energy Egyptian Electricity Holding Company
Pyramid Extra High Voltage Research Center

2. Pyramid Extra High Voltage Research Center
Welcome ...

3. Pyramid Extra High Voltage Research Center
Location: 27 Km Cairo Alex.
Desert Road
Year of operation: 1969

4. Activities
Studies and researches to solve the electrical network operation problems.
Type, routine and special tests for the electrical network equipment.
Services for electrical industries sector.
Experiments and researches to develop the electrical network.
Studies on the new technologies

5. Type, Routine and Special Tests
Tests and Measurements facilities:-
AC testing equipment.
Impulse testing equipment.
Partial discharge measurements equipment.
Mobile testing facilities.
Measurement instruments.
Other facilities.

6. Type, Routine and Special Tests
AC testing equipment.
Motor Generator

7. Cascade Transformers
Up to 2250 kV & 1 amp single phase
Up to 1300 kV & 1 amp 3 phase

8. Control Room for Cascade Transformers

9. Testing Hall Includes: 1- Single phase transformer 200 kV , 10 amp
2-Pollution testing room
3-Artificial rain equipment

10. Transformer
20kV, 150Hz

11. Pollution Test Room

12. Artificial rain equipment

13. Type, Routine and Special Tests Impulse testing equipment.
Impulse Generator kV, 180 kJ

14. Impulse Generator 500kV, 2.2 kJ

15. Type, Routine and Special Tests
Partial discharge measurements equipment.

16. Partial Discharge Hall

17. Partial Discharge Control Room

18. Type, Routine and Special Tests
Mobile testing facilities.
Transient over voltage measuring lab.
Mobile GIS testing facility.
Mobile testing unit 100 kV.
Mobile Partial Discharge measuring lab.
Mobile soil thermal receptivity lab.

19. Transient Over voltage measuring Lab

20. Data Transfer and Printing Unit
Receiving Unit
Sequence Control

21. Mobile GIS Testing Facility
(up to 800kV) using resonant circuit

22. AC Mobile Testing Unit up to 100kV

23. Mobil Partial Discharge Measuring Lab

24. Mobile Soil Thermal Receptivity Lab

25. Type, Routine and Special Tests Measurement instruments.
Tan delta &capacitance measuring device

26. Magnetic field measurement device

27. Calibrator

28. Electrical wave analyzer Insulation resistance (Megger)
Energy wave analyzer
Insulation resistance (Megger)
Oil Test

29. Type, Routine and Special Tests
Other facilities.
Mechanical Vibration in Transmission lines Conductors measurement instruments.
These instruments are used in:
Measuring and recording amplitude, frequency and number of mechanical vibrations of conductor Estimating the expected life time of conductors.
Providing the required information to prepare specifications of vibrations damping instruments and their installation possibility to increase the expected life time of conductors.

30. Pyramid Extra High Voltage Research Center

31. Mechanical Tensile Machine
up to 100 Tones

32. Tensile Testing Machine up to 25 kN

33. Insulator Impact Test Machine

34. Current Transformers Short circuit transformer 30 k amp
Current transformer 2000 amp
Current transformer 4800 amp
Current transformer 1000 amp

35. Oil Reclamation Machine

36. Services for Electrical Industries Sector
Testing of XLPE 220 kV Cable
Cooperation between PEHVRC and KEMA lab

37. Researches Carried out by PEHVRC
Studies and Researches :-
More than 35 studies were carried out to solve different electrical network problems.
More than 60 researches were presented in the local and international conferences.

38. Pyramid Extra High Voltage Research Center
Effect of pollution on the performance of insulators made of polymers
Effects of sand storms
Washing under tension
Performance of gas insulated equipment
Transient over voltages
Study on Harmonic problems and design of suitable filters
Increasing the feeding quality in primary networks

39. Effect of Pollution on The Performance of Conventional Insulators

40. Pyramid Extra High Voltage Research Center
Studies Helped in:
1- Choosing the most suitable insulators to the different local pollution levels.
2- Studying the performance of different polluted insulators under climatic conditions in Egypt.
3- Drawing a map of pollution densities all over Egypt.

41. Pyramid Extra High Voltage Research Center

42. Main points concluded from researches :-
Performance of Polymeric Insulators under chemical pollution conditions
Main points concluded from researches :-
Effects of different types of pollution on Insulators performance
Aging of Insulators subjected to different types of pollution (especially chemical pollution)

43. Pyramid Extra High Voltage Research Center
Silicon Rubber Insulator

44. Flashover characteristics of insulators under Sand Storms (Khamassine)
These researches helped in :-
Recognition of air gaps performance under the effect of sand storms.
Effect of sand storms on the performance of transmission lines.

45. Washing Under Tension
Running researches now aim to achieve local systems of washing of energized insulators by the available facilities suitable to different environmental pollution conditions by using:
1- Fixed system
2- Mobile system

46. Pyramid Extra High Voltage Research Center

47. Testing for Other Countries
Carrying out tests on different products for some other countries such as:-
Saudi Arabia
Bahrain
Jordan
United Arab Emirates
Syria
Ethiopia

48. Pyramid Extra High Voltage Research Center
Local and International Relationships
Cooperation with local universities.
Participating in IEC, CIGRE and CIRED.
PEHVRC published many papers and in the international scientific conferences like ISH.
PEHVRC exchanges researches results with the international laboratories such as CESI in Italy, KEMA in Holland and other research centers in USA, Canada and Japan.

49. Development Projects
Short circuit testing lab
Extra high voltage indoor testing hall up to 500 kV
Tower testing laboratory
Electrical researches building includes:
- fuel cells lab
- Super conductivity lab
- Environment and pollution lab
- Power electronics lab
- Material studies lab

50. Pyramid Extra High Voltage Research Center
ISO 9001 -
2000 Certificate

51. Pyramid Extra High Voltage Research Center
Thank you
for your Concern
Pyramid Extra High Voltage Research Center