Our Project Portfolio

Developer support in interconnection application, PSCAD, PSSE, TSAT, model development, dynamic studies, compliance with MQT requirements.

Performed detailed reactive power studies, determining the reactive power support needs (capacitor, reactor, STATCOM, etc.).

Performed wide area stability analysis using SSAT to investigate the source of oscillation of 0.1 Hz in the network. Updated the generator and IBR models, performed small signal analysis, determined the source of oscillation, and proposed mitigation solution through adjustment of the voltage control support of the SVC unit and PSS of two of the synchronous generator facility.

Performed wide area network conversion from PSSE to PSCAD, performed passive and active frequency scan analysis, performed detailed ETM transient studies, worked with developer and OEMs to resolve the issues for SSO phenomenon.

Client’s site was shot down due to the ferro resonance phenomenon between the site MPT and the nearby series capacitor banks. In this project, we performed detailed EMT analysis in PSCAD to investigate the issue, designed SSFR protection relay. Relay was tested based on the generated COMTRADE files and installed at the site. 

SSCI was observed between two wind farms in ERCOT region. In this project large network PSCAD model developed. Along communication with the OEM, TSPs, and ERCOT, it was determined that STATCOM with POD function is needed to mitigate the issue. STATCOM model was developed along with the POD function. Several contingency analyses performed and the POD controller was designed with over 100 iterative optimization process. 

The energization of a transformer specially at the weak networks or islanded operation has been investigated using PSCAD software. Multiple mitigation methods proposed including but not limited to Point of Wave switching, grounding transformers, breaker with inrush current limiting functions.  

Stability study of the proposed 2GW facility has been performed in PSSE and PSCAD software. The OEM models of each unit was integrated. The initial study from other consultants identified over 1 GW synchronous condenser (SC) needed! Our team performed a detailed PSCAD studies and identified only 100 MVA Synchronous Condenser is sufficient with 30% GFM battery. Over 200 scenarios were tested.  

50 MW data center model was developed in PSCAD. The study conducted to ensure system stability during AI load variation, the effect of AI load on the synchronous generator shaft, mitigation through GFM BESS unit. Ramp rate control and voltage ride through features were evaluated to ensure the system operation during various scenarios.  

Complete study of the microgrid system on PSCAD platform. Including grid-connected, islanded (planned and unplanned) as well as resynchronization back to the grid. The microgrid system was fed with BESS+PCS system as well as solar-PV units. Emergency load shedding and load curtailment were also part of the studies. The study also included testing group settings of SEL 751 feeder relays on the PSCAD platform.  

Implementation of a 200-MW solar-PV system connected to a remote mining site on PSCAD platform as well as real-time simulation and HIL testing. The project scope included grid-connected operation of the mining site as well as islanded operation. Black-start and energization of the mining compressors was a key aspect of the project.

Development of detailed clean hydrogen production facility on PSCAD-EMTDC platform including representation of 600-MW solar-PV system along with 250-MW BESS feeding 150-MW compressors and liquefaction pumps. The PSCAD study included energy management between the loads, the BESS and the solar-PV system during day and night. One key aspect of the project was reactive power support from the solar-PV systems to support voltage for the double busbar system connecting the loads to the generation. 

The project which is ongoing includes interconnection of physical OEM controllers to our RTDS facility along with PPC of both new plant operator and old plant where we also enabled all communication mediums between SEL 735 meter, SEL 3555, as well as AB controller. This is a comprehensive testing of the entire plant similar to what will be done as MQT on PSCAD platform. 

Developed a MATLAB-based pseudo-software tool for eigenvalue analysis, participation factor computation, and mode-shape extraction of islanded VSG-based microgrids. Designed and implemented a power oscillation damper to suppress low-frequency oscillations. The project integrates small-signal modeling, PSCAD validation, and analytical stability enhancement techniques for converter-dominated microgrids.  

Performed EMT-based transient stability studies of a 100 MW AI load facility in PSCAD. Developed detailed dynamic models of inverter-based resources and large constant-power loads to evaluate system performance under disturbances. Assessed grid compliance, dynamic interactions, and mitigation strategies for reliable interconnection. 

Developed flexible constant-power load models in PSCAD to overcome limitations of generic models. Implemented detailed switching and average UPS models to accurately represent AI data center dynamic behavior. Conducted gigawatt-level dynamic performance studies and provided risk/mitigation assessments for stakeholders. 

Developed a high-fidelity user-defined model (UDM) of a 3.5 MW grid-following inverter in PSCAD for EMT-based interconnection and stability studies. Implemented detailed control blocks including PLL synchronization, current control, DC-link dynamics, and active/reactive power regulation with appropriate current-limiting logic. 

Developed a user-defined model (UDM) of a 3.5 MW grid-forming inverter in TSAT for interconnection studies. 

Implemented droop-based control structure including voltage and frequency regulation, droop control, inertial support, and current limiting logic to replicate grid-forming behavior. 

Developed a detailed Power Plant Controller (PPC) model in PSCAD for EMT-based plant-level dynamic studies. Implemented active and reactive power control, voltage regulation, plant-level coordination logic, and communication interfaces with inverter units. 

The controller was structured to manage multiple inverter blocks and enforce grid-code requirements under steady-state and disturbance conditions. The model was validated through system-level simulations to ensure proper power dispatch, voltage support, and coordinated response during faults and transient events. 

Performed over 30 Transient Recovery Voltage (TRV) studies for wind, solar, and battery energy storage facilities to evaluate circuit breaker duty and compliance with applicable standards. Conducted detailed EMT simulations to assess post-fault voltage recovery, rate of rise of recovery voltage (RRRV), and peak TRV characteristics under various fault scenarios. Provided technical recommendations on breaker selection, system configuration, and mitigation measures to ensure reliable operation and compliance with utility interconnection requirements. 

Performed more than 20 insulation coordination studies for wind, solar, and battery energy storage facilities to evaluate equipment withstand capability under switching and lightning surge conditions. Conducted EMT-based overvoltage simulations to determine peak stress levels across transformers, cables, breakers, and substation equipment. 

Verified compliance with applicable standards and recommended surge arrester ratings, insulation levels, and mitigation measures to ensure system reliability and long-term asset protection. 

Developed a PSCAD-EMTDC model of a campus power grid to reproduce the dynamics observed during an actual failure, to investigate the controllers/excitation systems of the combustion turbine generators (CTGs), and the root cause of the failure. 
Enhanced the controller/excitation system response and validated the performance of the system under the new recommended settings. 
Conducted EMT simulations to evaluate the performance of load-shedding schemes through coordination of CTG controllers, as well as the schedules for rejecting loads during islanded conditions. 

Developed a detailed PSCAD-EMTDC model of the facility to assess the impact of integrating new transformers and combustion turbine generator units. 
Conducted detailed EMT simulations to evaluate transient recovery voltage (TRV), temporary over-voltage (TOV), load rejection, generation loss, transient stability, and islanded operation scenarios. 
Designed a PID controller at the POI of the facility to the utility to regulate the exchanged power at the POI and maintain the desired power flow from the utility when local generation within the facility exceeds local consumption. 

Completed the electromagnetic transient (EMT) modeling and dynamic performance assessment for the integration of a large-scale 3.5 GW windfarm with a 3 GW VSC-HVDC link connected at a weak AC grid at the Point of Interconnection (POI). Developed a comprehensive project-wide EMT model in PSCAD including synchronous machines, 2.2 GW LCC HVDC Link, Electrolyzer loads, and Windfarm IBRs to evaluate system stability, control interactions, and transient performance under severe grid conditions. 

Detailed planning and EMT dynamic performance study of 900 MW at ±350 kV LCC HVDC system spanning over 1100 kms from hydro-power station to major load center and its interaction with the existing VSC HVDC system connecting to adjacent interconnection system.