27
Region
Region
End to End Testing in
Egypt
RelaySimTest in operation
Ahmed & Sameh adjusting the CMGPS 588.
We were given an opportunity in Cairo which provided us with the challenge of conducting an End-to-End test using RelaySimTest during a brief shutdown of a 66 kV power line between two substations. The utility granted approval for a shut-
The engineers completed the test in good
down of a maximum of three hours to
time with satisfactory results for the line
complete the whole test. Two of our
differential relays
technical experts were located in substa-
(Siemens 7SD522).
tions 6 km apart. Sameh Eldmrdash led the
A full report
operation with support from Ahmed El
with an Arabic
Hamaky.
introduction was
The CMC at Ahmed’s location is connected to the relay. Line diff ere Creation date
circulated to all The test utilized two OMICRON CMC units
of the protection
(lent to us by our customers in Egypt), two
heads in the
CMGPS 588 units, an internet connection
ﺠﻬﺎﺯ ﺍﻟﻭﻗﺎﻴﻪ SIEMENS 7SD5
22…
Substation address:
Shorouk 1
Egyptian Ministry of Electricity.
tection
ﻣﺪﻳﻨﺘﻲ
2 ﻤﺪﺨﻞ
Bay addre ss:
CT 1
Direction towards: VT 1 Location at:
and the RelaySimTest software licences.
ntial pro
/ last modi fied: 201505-20 09:38 Created by: :50 OMICRON Execution Tester date: 201505-14 17:02 Executed :50 by: Same h Eldmrdash Executed: 8 of 8 Issues: 0 Passed: 8 Failed: 0 Overall asses sment: Passed Comment: Real test with Relay SimTest for between line differ Madinaty ential prote and Shoro ction SIEME uk 1 - 66KV NS 7SD5 ﻤﻴﻜﺮﻭﻥ ﻭ ﺍﻟﻤﺴﻤﻲ 22 ﺍﻧﺘﺎﺝ ﺷﺮﻛﻪ ﺃﻭ RelaySimTe ﻟﻤﺤﺎﻛﺎﻩ ﺍﻟﺠﺪﻴﺪ st ﺴﺘﺨﺪﺍﻡ ﺑﺮﻧﺎﻤﺞ ﺍ ﻓﻲ ﻭﻗﺖ ﻭﺍﺤﺪ ﺍ ﻧﻬﺎﻴﺘﻲ ﺍﻟﻜﺎﺑﻞ ﻃﺮﻴﻖ ﺍﻟﺤﻘﻥ ﻤﻥ ﺑﺎﻟﺘﺰﺍﻤﻥ ﻋﻥ ﻟﺘﻧﻔﻴﺬ ﺍﻻﺨﺘﺑﺎﺭ ﻙ ﻑ66 ﺠﻬﺪ ﺠﻲ ﺑﻲ ﺍﺱ 1 ﻭ ﺍﻟﺷﺮﻭﻖ ﺘﻜﻧﻭﻟﻭﺠﻴﺎ ﺍﻝ ﻤﺤﻃﺘﻲ ﻤﺪﻴﻧﺘﻲ ﻭ ﺑﺎﺴﺘﺨﺪﺍﻡ ﺍﻟﻭﺍﺻﻞ ﺑﻴﻥ ﺘﻔﺎﺿﻠﻴﻪ ﻋﻠﻲ ﺍﻟﻜﺎﺑﻞ ﻤﻧﻃﻘﺔ ﺍﻟﻘﺎﻫﺮﻩ ﺍﺨﺘﺑﺎﺭ ﺍﻟﻭﻗﺎﻴﻪ ﺍﻟ ﻭﺍﻟﺻﻴﺎﻧﻪ ﻤﻥ ﻤﻬﻧﺪﺴﻲ ﺍﻟﻭﻗﺎﻴﻪ ﺻﺤﺎﺭﻱ ﺠﺮﻭﺏ ﺤﺿﻭﺭ ﺍﻟﺴﺎﺪﻩ ﻤﺻﺮ ﺷﺮﻛﻪ ﺑ2015 ﻤﺎﻴﻭ ﺃﻭﻤﻴﻜﺮﻭﻥ ﻓﻲ 14 ﺍﻟﻤﻭﺍﻓﻖ ﻭﻛﻴﻞ ﻤﺑﻴﻌﺎﺖ ﺍﻟﺨﻤﻴﺱ:ﻻﺨﺘﺑﺎﺭ ﺍﻟﺠﻧﻭﺏ ﺑﺤﻠﻭﺍﻥ ﻭ ﺘﺎﺭﻴﺦ ﺍ ﻤﻌﻬﺪ ﺘﺪﺭﻴﺏ ﻛﺬﻟﻙ ﻤﻤﺜﻠﻲ ﺠﻬﺎﺯ ﺍﻟﻔﺤﺺ ﻭ 2 x CMC 356 2 x CMGP S 588
Circuit break er Breaker type: Trip time: Close time:
1,2000 kA : 1,0000 A Equipment 66,000 kV : 100,00 V Equipment
3-pole 50,000 ms 100,00 ms
Ahmed gives remote access to Sameh.
1
Cable voltage level
66 kV
Cable length
6 km (Madinaty – Shorouk1)
Protection
2 x Siemens 7SD522 line differential protection
CMCs used
2 x CMC 356 NET1-B (one at each side)
Accessories
2 x CMGPS 588 (one at each side)
Internet Access
2 x UMTS (one at each side)
Line Shutdown Period
9.00 am until 4.00 pm (actual working time was 1.30 pm to 4.00 pm) Sameh discussing the results (protection panel, containing the relays, in the background).
Magazine | Volume 6 Issue 2 2015
omi_magazin_issue11_MESA_RZ.indd 27
20.10.2015 15:57:52