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

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

Control Room for Cascade Transformers

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

Transformer 20kV, 150Hz

Pollution Test Room

Artificial rain equipment

Type, Routine and Special Tests Impulse testing equipment. Impulse Generator 2400 kV, 180 kJ

Impulse Generator 500kV, 2.2 kJ

Type, Routine and Special Tests Partial discharge measurements equipment.

Partial Discharge Hall

Partial Discharge Control Room

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.

Transient Over voltage measuring Lab

Data Transfer and Printing Unit Receiving Unit Sequence Control

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

AC Mobile Testing Unit up to 100kV

Mobil Partial Discharge Measuring Lab

Mobile Soil Thermal Receptivity Lab

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

Magnetic field measurement device

Calibrator

Electrical wave analyzer Insulation resistance (Megger) 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.

Pyramid Extra High Voltage Research Center

Mechanical Tensile Machine up to 100 Tones

Tensile Testing Machine up to 25 kN

Insulator Impact Test Machine

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

Oil Reclamation Machine

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 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

Effect of Pollution on The Performance of Conventional Insulators

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.

Pyramid Extra High Voltage Research Center

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)

Pyramid Extra High Voltage Research Center Silicon Rubber Insulator

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

Pyramid Extra High Voltage Research Center

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 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.

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 High Voltage Research Center ISO 9001 - 2000 Certificate

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