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Ministry of Electricity & Energy Egyptian Electricity Holding Company. Pyramid Extra High Voltage Research Center. Pyramid Extra High Voltage Research Center. Welcome. Pyramid Extra High Voltage Research Center. Location: 27 Km Cairo Alex. Desert Road. Year of operation: 1969.
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Ministry of Electricity & Energy Egyptian Electricity Holding Company Pyramid Extra High Voltage Research Center
Pyramid Extra HighVoltage Research Center Welcome ...
Pyramid Extra HighVoltage Research Center • Location: 27 Km Cairo Alex. • Desert Road • Year of operation: 1969
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
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.
Type, Routine and Special Tests • AC testing equipment. Motor Generator
Cascade Transformers Up to 2250 kV & 1 amp single phase Up to 1300 kV & 1 amp 3 phase
Testing Hall Includes: 1- Single phase transformer 200 kV , 10 amp 2-Pollution testing room 3-Artificial rain equipment
20kV, 150Hz Transformer
Type, Routine and Special Tests • Impulse testing equipment. Impulse Generator 2400 kV, 180 kJ
Type, Routine and Special Tests • Partial discharge measurements equipment.
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.
Data Transfer and Printing Unit Sequence Control Receiving Unit
Mobile GIS Testing Facility (up to 800kV) using resonant circuit
Type, Routine and Special Tests • Measurement instruments. Tan delta &capacitance measuring device
Electrical wave analyzer Energy wave analyzer Insulation resistance(Megger) Oil Test
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.
Mechanical Tensile Machine up to 100 Tones
Short circuit transformer 30 k amp Current transformer 2000 amp Current transformer 4800 amp Current transformer 1000 amp Current Transformers
Services for Electrical Industries Sector Testing of XLPE 220 kV Cable Cooperation between PEHVRC and KEMA lab
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.
Pyramid Extra HighVoltage 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
Pyramid Extra HighVoltage 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.
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)
Silicon Rubber Insulator Pyramid Extra HighVoltage Research Center
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.
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
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
Pyramid Extra HighVoltage 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.
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
Pyramid Extra HighVoltage Research Center ISO 9001 - 2000 Certificate