Technology Applied toElectricalEngineeringof high complexity
PSTG-Tech is an engineering and technology company specialized in advanced electrical studies, power systems, and power electronics modeling for applications in HVDC, FACTS, solar and wind generation, BESS, and Data Centers. We help companies in the power sector reduce technical risks, accelerate studies, enable connections, and make sound decisions in critical projects. With over 20 years of accumulated expertise, the PSTG-Tech + ENGEPRO Engenharia + CIEEP-Tech ecosystem integrates advanced electrical studies, computational modeling, automation, transmission and substation projects, technological innovation, and a Latin American presence to deliver complete, reliable, and strategic solutions for highly complex electrical projects.
PSTG-Tech relies on its own intelligent platform to accelerate the execution of electrical studies, with end-to-end automation. This approach allows for reduced lead times, minimizes repetitive tasks, mitigates non-compliance risks, and enables complex studies to be conducted more quickly, scalably, traceably, and efficiently.
Competitive Pricing
Maximum optimization of financial resources.
Faster Execution Time
Significant reduction in timelines with automation and standardized processes
Increased Reliability in Results
Greater reliability in results through automation, standardization, traceability, and technical validation
Automated Processes and Faster Reviews
Workflow optimization and technical reviews.
Superior Technical Quality and Human Error Reduction
Technical quality supported by engineering methods, validation, and expert review
What PSTG-Tech delivers
PSTG-Tech delivers advanced electrical studies, computational models, technical reports, expert opinions, and strategic support for highly complex projects, including fault diagnosis, analysis of real events, and evaluation of electromagnetic transient phenomena.
We operate in connection margin, minimum global cost, access and connection studies, systemic studies, electromagnetic transients in the R2 stage, basic and executive design, owner's engineering, HVDC, FACTS, BESS, forensic evaluation, and specialized technical outsourcing.
Our deliverables include ANAREDE, ANAFAS, ANATEM, ATP, PSCAD, and Power Factory databases, technical reports, validated models, sensitivity analyses, compliance matrices, root-cause diagnostics, and mitigation recommendations.
We combine senior engineering, automation, and advanced modeling to reduce technical risks, accelerate decisions, and increase the reliability of power system projects.
Why hire PSTG-Tech
We reduce technical risks, accelerate studies, support grid connection processes, validate models, specify mitigation solutions, and help our clients make safe decisions in critical power sector projects.
Connection Margin Studies
We evaluate if the power grid has the capacity to receive new load, generation, BESS, or Data Center.
We Deliver:
- Grid available capacity diagnosis
- Identification of electrical constraints
- Connection alternatives
- Technical report with recommendations
Global Minimum Cost Studies
We compare technical alternatives to find the most efficient and economical solution for the electrical system.
We Deliver:
- Comparison between possible solutions
- Cost, loss, and constraint analysis
- Recommendation of the most advantageous alternative
- Technical-economic report
Access and Connection Studies
We evaluate the technical requirements to connect new developments to the electrical system.
We Deliver:
- Power flow studies
- Short-circuit studies
- Dynamic studies
- ANAREDE, ANAFAS, and ANATEM databases
- Technical report and connection opinion
System Studies — R2, Basic Design, Detailed Design, and Owner's Engineering
We analyze the behavior of the electrical grid under different operating conditions.
We Deliver:
- Power flow
- Short-circuit
- Dynamic stability
- Contingency analysis
- Selectivity and Protection
- Report with conclusions and recommendations
Electromagnetic Transient Studies — EMT — R2, Basic Design, Detailed Design, and Owner's Engineering
We analyze switching, overvoltages, transient currents, and electrical stresses on equipment.
We Deliver:
- ATP and PSCAD models
- Energization and switching studies
- Insulation coordination
- TRT/TRV analysis
- Sensitivity studies
- Mitigation recommendations
- Complete technical report
HVDC, FACTS and BESS
We develop and validate models for systems with power electronics.
We Deliver:
- Dynamic and EMT models
- Performance testing
- Model validation
- Compliance matrix
- Recommendations for adjustments and improvements
Forensic Evaluation
We investigate failures, shutdowns, equipment damage, and real-life electrical events.
We Deliver:
- Root-cause diagnosis
- Simulation reproduction of the event
- Record and oscilography analysis
- Mitigation plan
- Forensic technical report
Technical Outsourcing
We provide a specialized team to support companies in recurring studies, projects, and demands.
We Deliver:
- Dedicated technical team
- Recurring support
- Technical SLA
- Proposal and auction support
- Third-party studies review
- Development of tools and automations
Power Electronics Modeling
Development of advanced models and detailed simulations for modern power systems.
Learn MoreHVDC & FACTS
Development of models for DC transmission systems and flexible compensation devices.
Advanced Converters
Detailed modeling of HVDC-VSC, HVDC-LCC, Grid-Forming and Grid-Following converters, STATCOM, SSSC, BESS, and Data Centers.
Electromagnetic Transients
Technical investigation of critical phenomena such as ferroresonance, subsynchronous resonance, restrike, and VFTO in GIS substations.
High-Performance Applications
Studies applied to renewable generation, transmission, distribution, and BESS storage systems.
Special Studies (EMT)
Advanced analysis of electromagnetic transient phenomena critical for system integrity.
Learn MoreAdvanced electrical studies: SSR, VFTO, LFI, ferroresonance, and EMC
Performance and interference studies on transmission lines, electric and magnetic fields
Studies of lines up to 345 kV with underground, underwater, and hybrid insulated cables
Insulation coordination and equipment validation
Technical and Forensic Assessment
Technical and forensic assessment of real events, with reproduction of records through modeling and proposal of solutions for operational losses, equipment damage, and claims.
Learn MoreEvent Modeling
Precise reconstitution of failures and real events via digital simulation.
Operational Losses
Detailed root cause analysis to reduce losses and interruptions.
Equipment Damage
Technical investigation of damage to large machines and transformers.
Insurance Claims
Specialized technical support for forensics and insurance processes.
Global Presence
Our studies cover critical infrastructure projects in various countries, ensuring the stability of global power systems.
Core Expertise
Advanced Studies Performed
Our technical expertise is sustained by the volume of studies conducted in transmission, generation, transformation, reactive compensation, power electronics, and electromagnetic transient systems. The indicators below represent accumulated experience by technical topic, and a single project may involve multiple specialties.
Sub-synchronous Resonance
Special Studies
Ferroresonance
HVDC + FACTS
Reactive Compensators
Transformers
Transmission Lines
TL Performance
Capacitor Bank
Reactor Switching
Electromagnetic Field
Electromagnetic Interference
Insulation Coordination
VFTO
Underground Lines
Solar + Wind Farm
BESS
TRV
Steady State
Harmonics & Power Quality
Delayed Zeros in Thermal Power Plants
Data Centers
Converter Models
Failure & Forensic Analysis
Others
Over 20 years of experience in advanced electrical studies, working on transmission, generation, transformation, reactive compensation, power electronics, and critical electromagnetic phenomena projects.
Specialized Outsourcing Services
We transform technical knowledge and technology into high-value solutions for projects that demand precision, speed, and safety. PSTG-Tech is prepared to support your projects with intelligence, experience, and forward-thinking vision.
"PSTG-Tech develops specialized digital solutions to automate engineering processes in transmission line projects, substations, and other technical applications in the power sector. These tools increase team productivity, reduce execution times, improve study standardization, and contribute to higher quality, traceability, and project efficiency. The maturity of these solutions is already proven by their practical application in ENGEPRO Engenharia's engineering processes, where they have been incorporated into daily activities to support project execution with greater agility, reliability, and technical control."
Reduction of Hiring, Training, and Personnel Costs
Significant reduction of operational expenses and fixed costs.
Efficiency and Reliability
Guarantee of standardized processes and high performance.
Technological Innovation
Access to advanced simulation tools.
Continuous and Personalized Support
Dedicated technical assistance for each project.