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Gridman s.r.o.

UVP Technicom TUKE
Boženy Němcovej 5,
040 01 Košice, Slovakia

phone: +421 902 243 652
e-mail: contact@gridman.sk

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Gridman s.r.o.

We provide professional and high-quality solutions to problems and tasks that can be encountered in power engineering area. contact@gridman.sk

Borzesti, Romania

Grid code design studies

Installed power: 263 MW
Project partner: Greenvolt

Gridman performed following:
- power plant modelling,
- reactive power and voltage capability study,
- reactive power compensation study,
- power quality study (harmonics, flicker and voltage unbalance).

Volvo Kosice, Slovakia

Protection & Coordination study

Project partner: Siemens, SAT automation

Gridman performed following:
- protection and coordination study for 110 kV main substation,
- protection and coordination for 22kV and 6kV internal electrical network.

Seabank, United Kingdom

Steam/Gas turbine modelling

Installed power: 910 MW
Project partner: Siemens Energy

Gridman performed following:
- development of the steam/gas turbine dynamic models in DigSilent PowerFactory/PSCAD,
- validation grid compliance studies against the grid (SMIB model),
- simulation tests on IEEE 9-bus system.

Unilin PV, Belgium

RfG grid compliance study – type B

Installed power: 17.5 MVA
Project partners: PulsarPower, Engie

Gridman performed following:
- plant modelling in DigSilent PowerFactory,
- performing the grid code studies (Fault ride through, Active power step change, LFSM-O, Reactive Power capability),
- building and validating the plant EMT model in PSCAD.

Alveston, United Kingdom

Calculation of the DC Short-circuit currents in the internal
parts of Battery Energy Storage System of the Onshore Wind Farm

Installed power: 22 MW
Project partners: ABB

Gridman performed following:
- power plant and BESS modelling,
- dc-short-circuit study,
- sizing of the BESS internal parts.

Revolution, United States

Basic design Insulation & Coordination studies

Installed power: 704 MW
Project partner: MPE London, Orsted

Gridman performed following:
- building and validating EMT offshore wind farm model,
- performed transient studies,
- basic design stage insulation & coordination.