Core Engineering

Core Engineering protection and control, power system analysis, protective relaying, short circuit analysis

protection and control, power system analysis, protective relaying, short circuit analysis, harmonic analysis, registered electrical engineers, professional electrical engineers, institute of integrated electrical engineers Philippines, IIEE, registered master electrician, arc flash analysis

Importance of Reactive Power Load Flow Analysis.The case study below shows individual inverter output for a BESS generat...
27/06/2025

Importance of Reactive Power Load Flow Analysis.
The case study below shows individual inverter output for a BESS generation facility with 212 inverters rated 1200KVA each. With simple math, the entire plant is rated, 1.2 x 212 = 254.4MVA while the required at POI in only 200MW. One would immediately conclude it can meet the requirement. However, with closer inspection, we see that the required power output P (kW) for each inverter, under various voltages and reactive power (Q) outputs, have went outside the inverter's PQ capability curve.

Load Flow & Reactive Power StudyThe main objective of this study is to determine if the project substation is capable of...
20/06/2025

Load Flow & Reactive Power Study

The main objective of this study is to determine if the project substation is capable of meeting the voltage and reactive power requirements at the point of interconnection with the transmission operator.

The PV and BESS generators are driven by inverters which have PQ capabilities depending on the model and manufacturer.

The main question basically is, will the aggregate or combined inverter output be able to meet the voltage and reactive power requirement while also able to provide the rated MW output per the agreement? Or will you have to install capacitors?

PSLF by General Electric (GE). California Independent System Operator (CAISO) requires the use of this software when per...
01/04/2025

PSLF by General Electric (GE). California Independent System Operator (CAISO) requires the use of this software when performing Dynamic power analysis.

𝐏𝐨𝐰𝐞𝐫 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 (𝐏𝐄) 𝐁𝐢𝐭 #𝟐 - 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐂𝐡𝐞𝐜𝐤 𝐨𝐟 𝐕𝐞𝐧𝐝𝐨𝐫 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐬
19/02/2025

𝐏𝐨𝐰𝐞𝐫 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 (𝐏𝐄) 𝐁𝐢𝐭 #𝟐 - 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐂𝐡𝐞𝐜𝐤 𝐨𝐟 𝐕𝐞𝐧𝐝𝐨𝐫 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐬

Please also share to your EE friends.You might find this upcoming presentation informational. We'll be discussing an act...
28/01/2025


Please also share to your EE friends.

You might find this upcoming presentation informational. We'll be discussing an actual project (most of the time, I do this in my lectures), so you may relate to the practical aspect.

The project in itself is straightforward - (1) replace an old unit substation with a new one and (2) reduce the arc flash energy on the LV switchgear. Although, the method to reduce the energy that I've chosen can be something different than yours. So hopefully we could exchange ideas.

FYI - please register at the IIEE Metro East Chapter page if interested. They are the organizers, I am just an invited guest supporting their activities.

I have the privilege of being invited as one of the technical speaker at IIEE Metro East Chapter. See you there for thos...
27/01/2025

I have the privilege of being invited as one of the technical speaker at IIEE Metro East Chapter. See you there for those who will be attending.

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