1. Power Meter with display SICAM P50 Power meter for panel mounting with graphic display and background illumination used for acquiring and/or displaying measured values in electrical power supply systems. More than 100 values can be measured, including r.m.s. values of voltages (phase-to-phase and/or phase-to ground), currents, active, reactive and apparent power and energy, power […]
1.Power Meter with display SICAM P50 Power meter for panel mounting with graphic display and background illumination used for acquiring and/or displaying measured values in electrical power supply systems. More than 100 values can be measured, including r.m.s. values of voltages (phase-to-phase and/or phase-to ground), currents, active, reactive and apparent power and energy, power factor,
1.Engineering tool DIGSI 5 Versatile engineering tool for parameterization, commissioning and operating all SIPROTEC 5 devices. Its innovative user interface includes context-sensitive user instructions. Simple connection to the device via USB enables you to work with a device easily and efficiently. The full capabilities are revealed when you connect it to a network of protection
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For joining our discussion groups: https://elec-engg.com/whatsapp-group-for-protection-engineers/ – I have set the under-voltage limit at 9.4kV (94kv, pt ratio 11,000/110, But relay trips at 9.47kV. what to do?– Make the vt connection vpp+vr. V peak to peak and v residual. In the configuration choose vpp+vr – can support and provide abb 230kv gis maintenance procedures.– I
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For joining our discussion groups: https://elec-engg.com/whatsapp-group-for-protection-engineers/ – Who knows the REF stability procedure? Both the voltage injecting method And the current injecting method?– When you create in the zone or out zone fault for REF stability there will always be a flow of current.– Short Primary Bushing Phase R S T with secondary terminal shorted
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For joining our discussion groups: https://elec-engg.com/whatsapp-group-for-protection-engineers/ – What are your configuration version and device firmware version?– If the error can not be reset it can be an indication of defective hardware even tho it is new. If you have changed any configuration Settings, try to upload the previous settings and check whether the error still exists
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Dr. SAEED ROOSTAEE (Sr. Technical Trainer (Protection Relay IEDs, IEC 61850, Substation Automation)) Dr. Saeed LinkedIn Profile Technical Trainer (2012 to Present) Trained and certified more than 3000 engineers worldwide (Online, Pre-recorded and face-to-face training) Samples of the training courses that can be held by Dr. Saeed Roostaee (generally any customized training power system protection
– Anyone knows why we are using this diode and what it uses1) Normal Diode allows current to flow in forwarding bias.2) Zenner Diode allows current to flow in reverse bias only. -Two phases show negative values but one phase shows positive values, how?– Depend on load, may you try to trace 3 line diagram
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DISCUSSIONS ON OUR GROUPS – how to read this Device 7SJ82 relay? – check the configuration version and communication version of the device u added in the project with the actual version. go to the online device and read the device data, there u will find both versions of the firmware 7.9. when u right-click
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https://elec-engg.com/whatsapp-group-for-protection-engineers/ Protection Engrs Grp (3) – What is the difference between phase IDMT and earth IDMT can anyone explain? Please– IDMT clears itself, whatever your fault is o/c or E/f. it will take tripping time according to your curve.– Earth Idmt will check & operate based on neutral current. Whereas phase Idmt will check phase
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