Engineering reliable power, from the plant floor to the national grid.

TAS delivers specialized power system studies, detailed design engineering and technical training for utilities, renewables and industrial facilities — combining modern simulation tools with strict international standards compliance.

What we do

Power system services, engineered end to end

From a single industrial system to highly complex, national grid–level networks — our studies, designs and audits are performed to IEC, IEEE, ANSI and GOST standards.

Grid Compliance Studies

Utility interconnection compliance — df/dt relays, islanding schemes and load-shedding schemes for renewable and conventional plants.

IECIEEECERC/CEA

Load Flow Studies

Power-factor correction, equipment loading, voltage profiles and reactive power optimisation for steady-state network performance.

ETAPDIgSILENT

Short Circuit Studies

Fault-level analysis to IEC 60909, ANSI and GOST standards, including equipment short-time rating verification and breaker duty.

IEC 60909ANSIGOST

Transient Stability Analysis

Angular stability, critical clearing time and voltage stability studies that keep your network secure through disturbances.

PSCADPSS/E

Insulation Coordination

Switching and lightning overvoltage studies, ferroresonance analysis and arrester selection for substations and networks.

IEC 60071

Relay Coordination Studies

Over-current and earth-fault coordination and unit protection schemes to IEEE 242 — selective, sensitive and dependable.

IEEE 242

Harmonic Studies

Harmonic distortion analysis, filter design and resonance screening to IEEE 519 for clean, compliant power quality.

IEEE 519

Arc Flash Studies

IEEE 1584 incident-energy analysis, arc-flash boundaries and equipment labelling that protect people and meet audit requirements.

IEEE 1584NFPA 70E

Motor Acceleration Studies

Static and dynamic motor-starting studies — voltage dip, starting time and impact assessment for large MV motor fleets.

StaticDynamic

Earthing & Lightning Protection

Substation earthing design, soil resistivity testing and lightning protection system design for safe, compliant installations.

IEEE 80IEC 62305

Detailed Electrical Design

Complete design packages — single-line diagrams, layouts and LV/MV design detailing in AutoCAD Electrical, ready for execution.

AutoCADSLDs

Third-Party Protection Audits

Independent review of protection philosophies, settings and coordination — an expert second opinion before energisation or audits.

Independent

Who we power

Sectors we serve

Deep domain experience across the industries where reliable power is non-negotiable.

  • Renewables & Storage

    Solar, wind and BESS plants — grid compliance, protection and performance studies at utility scale.

  • Data Centres

    Mission-critical electrical infrastructure with redundancy, protection coordination and arc-flash safety built in.

  • Manufacturing & Process

    Continuous-process plants — motor starting, power quality and protection that keep production lines running.

  • Transmission & Distribution

    Utilities and grid operators — from substation studies to network analysis.

Study Capabilities

Representative study scopes

A clear view of the technical problem statements, simulation packages and compliance deliverables our engineers handle.

Utility-Scale Solar & BESS Grid Interconnection

Comprehensive interconnection packages — steady-state load flow, P-Q capability, fault ride-through (LVRT/HVRT), frequency response and islanding protection schemes.

Grid CodeIEEE 2800BESS & SolarPSCAD / ETAP

Arc Flash Hazard Analysis & Safety Compliance

IEEE 1584 incident-energy calculations, arc flash boundary determination, trip-time optimization and NFPA 70E equipment labeling for worker safety and audit readiness.

IEEE 1584NFPA 70EArc FlashETAP

Substation Protection & Relay Coordination

Time-current characteristic (TCC) curve development, selective coordination for overcurrent, earth fault and differential protection to prevent nuisance tripping.

IEEE 242Relay CoordinationIEC 60255

Data Centre Power Reliability & Transient Studies

Mission-critical infrastructure studies covering N+1/2N redundancy verification, dynamic motor/chiller starting, transient voltage dips and harmonic screening.

ReliabilityData CentresDynamic Starting

Industrial Harmonic Distortion Assessment & Filter Sizing

Harmonic distortion analysis at the Point of Common Coupling (PCC), resonance frequency screening and passive/active filter design to meet IEEE 519 standards.

IEEE 519Power QualityHarmonics

Substation Earthing & Lightning Protection Design

Soil resistivity modeling, touch and step potential calculations, ground grid conductor sizing and rolling-sphere lightning protection shielding to IEEE 80 & IEC 62305.

IEEE 80IEC 62305Earthing & Lightning

How we work

A disciplined engineering process

  1. Data Collection & Modelling

    Network data, equipment parameters and operating scenarios are gathered and built into a calibrated simulation model.

  2. Simulation & Analysis

    Studies are executed in industry-standard tools — ETAP, PSCAD, PSS/E and DIgSILENT PowerFactory.

  3. Compliance Verification

    Results are benchmarked against IEC, IEEE, ANSI and utility-specific grid codes and standards.

  4. Report & Recommendations

    Clear findings and actionable recommendations — settings, ratings and designs you can implement directly.

  5. Support & Training

    On-site commissioning support and engineer training so your team owns the result with confidence.

Knowledge transfer

Technical training programmes

Hands-on, tool-based courses for engineers and corporate teams — delivered at our Pune facility or your site.

  • ETAP
  • PSCAD
  • PSS/E
  • DIgSILENT PowerFactory
  • PVsyst
  • CDEGS
  • Substation Design
  • Detailed Electrical Design
  • AutoCAD Electrical
  • Unit Protection
  • LV & MV Protection Coordination
  • Corporate training →

About TAS

An agile consultancy, built on deep grid knowledge

TAS is a Pune-based power system consultancy founded to provide high-precision simulation, design engineering, and compliance studies for modern electrical infrastructure. We work on scopes ranging from industrial distribution to complex grid interconnections with dedicated engineering depth.

  • Independent & vendor-neutral. Recommendations grounded purely in engineering rigor, never in equipment sales.
  • Full-spectrum capability. Studies, detailed design, protection audits and technical training under one roof.
  • Agile & collaborative. Direct access to dedicated power system engineers without bureaucratic layers.
  • Standards-driven. Methodologies strictly aligned to IEC, IEEE, ANSI and GOST — and local grid codes.

Contact

Talk to our engineers

Based in Pune, working worldwide. Reach out directly for studies, design, audits or training.

Email Us Directly

Typical response time: within 1 business day