Measurement Campaigns

Capture power quality, voltage angle or other electrical quantities over any desired time period

Do you worry about the power quality in your distribution network? Do you wonder if the voltage along a line remains within the allowed tolerance range? Do you ask yourself what the impact of installing new power system equipment in your network will have on the power quality? As well as power system simulations, we can give you answers to these questions and many more through a measurement campaign. In some cases, a measurement campaign is the perfect supplement to a grid study conducted by us. Our services range from simple measurements of electrical quantities (e.g. frequency, voltage, current, power, etc.) to more costly measurements, like power quality, at multiple locations on a power network.

Power Quality

Power quality is a very general term summing up the effects of several more specific quantities such as frequency, voltage amplitude, power interruptions, flicker, harmonics, and phase unbalances. Unacceptable power quality can lead to grid disturbances and damage to both utility and customer owned equipment. In order to precisely assess power quality it is recommended to take measurements over a longer period of time (i.e. over several months). The measured power quality values can be compared against power quality standards such as EN 50160.

Power quality analyzers come in various accuracy classes. The devices with the highest level of accuracy are certified for class A (IEC Norm 61000-4-30). Measurements which have lower accuracy demands are suited for class S measurement devices or devices without a certificate.

Whether you want to measure power quality on various points of a transmission, distribution, or industrial network or the emissions of a new consumer or generator site, together we will find the optimal solution and the best-suited device for the job.

Voltage Angle Measurement

Phasor Measurement Units (PMUs) are used to measure voltages and currents along with their corresponding phase angles and offer a high temporal resolution. Through the synchronization of all PMUs to GPS, the phase shift between measured parameters can be determined.

Using this method, it can be precisely determined how voltage angle and amplitude change along a power line. Voltage angle can be the limiting factor for system stability on long transmission lines, which is why it is of utmost importance to measure this quantity with high precision.

We look forward to advising you on the ideal use of PMUs in your network and carrying out a measurement campaign tailored to your needs!

Efficient Measurements around the Globe

All measuring devices used by Energynautics can be equipped with a router with a SIM card to establish an internet connection. Doing so we can continuously read and evaluate measured data coming from anywhere around the world. This also reduces the necessary frequency in which our employees need to travel to the project site. With a remote internet connection this is only necessary for installation of the devices at project start and removal of the equipment at project completion, regardless of project duration. Real-time measurement information is available to you through the continuous monitoring of all desired parameters.

In brief:
  • Measurement campaigns for power grids and power system equipment
  • Complex measurements such as time-synchronized voltage angle and power quality measurements
  • Worldwide deployment, efficient reading of data and analysis of data via remote internet connection

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A Selection of our References.

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Development of generator models to prove grid code compliance

Power generating units require verification of certain capabilities in order to be connected to the electricity grid. This is (partly) done with precise simulation models. Energynautics develops these kind of simulation models for all kind of technologies.

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Optimal asset sizing for Markbygden Wind Farm

Energynautics developed the steady-state model of the third phase of Europe’s largest onshore wind farm and performed a series of techno-economic studies.

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Optimizing the Grid Operation by Using the FNN Control Box

The objective of the project is to develop a control box, which combines local intelligence and central controllability for electric vehicles, photovoltaic systems, heat pumps and Co in order optimize the grid operation.

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Consultancy Services for the North Sea Wind Power Hub Programme

This study investigates the potential of offshore wind energy hubs in the North Sea in contrast to radially connected wind farms with the aim of optimizing the integration of offshore wind.

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Smart inverters for distributed generation

Recommendations to incorporate smart inverters for increasing the PV hosting capacity in distribution grids and grid reliability.

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Ancillary Service Review for the Mexican Power System

Energynautics engineers supported one commissioner’s office of the Mexican regulator in their ongoing review of ancillary services needed for further increases in renewable energy contribution.

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Risk Management Guidelines for Solar PV Projects in Vietnam

The objective of this assignment was to develop handbooks on risk management – technical guidelines for ground-mounted and floating solar PV projects from the development to the dismantlement phase.

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Revision of Grid Codes for the Dominican Power System

Commissioned by GIZ, Energynautics conducted a revision of the transmission grid codes in the Dominican Republic to ensure their suitability for large scale VRE integration.

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Research study on sustainable energy transition and energy infrastructure development opportunities

The aim of the study was to provide input for the implementation of Resolution No 55 “Vietnam’s National Energy Development Strategy to 2030, vision to 2045” of Vietnamese Party’s Politburo and further orientations for sustainable energy transition in Vietnam.

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Role of Distribution Companies in using Grid Support Services from Solar Rooftop PV systems and Storage

Energynautics was commissioned by GIZ to analyse the services which can be provided by solar rooftop PV and battery storage to support the distribution grid in India.

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Distribution grid study in the Dominican Republic

Energynautics analyzed the maximum PV penetration levels in Dominican distribution grids.

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EU Network Codes for Estonia

Energynautics conducted a study on various aspects of grid codes, gathering international experience and accepted good practices for Estonian consortium.

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ETS Plus Emission Trading: Power market simulations for IFW

Energynautics was subcontracted by the IFW Kiel Institute for the World Economy within a larger project to evaluate the impact of rising emission prices on the power sector.

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Review of the Mongolian Grid Code

Energynautics was commissioned by the World Bank in 2018 to assist the Mongolian system operator to update their grid code.

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Transmission Grid Study Czech Republic

Energynautics was commissioned by a consortium of NGOs to conduct a high level transmission system study to investigate the impact of a large scale coal exit in the Czech Republic by 2030.

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REEP 1000 Islands: RE Integration in Indonesia

Commissioned by GIZ, Energynautics, Cadmus and ABO Wind provide technical support to Indonesian power system stakeholders until 2020. The project includes multiple island grid studies, development of tender documents, capacity building workshops and a revision of the distribution code.

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Vietnam Technology Assessment

Back in 2012, Vietnam published a smart grid roadmap which includes different phases for defining the smart grid implementation in Vietnam. In order to support the development of smart grids, Energynautics assessed the current smart grid progress and developed recommendations.

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PV Port & Store

India aims to install 40 GW solar PV capacity on rooftops by 2022. To support this target, Energynautics developed a standardized plug-and-play PV plus battery system which ensures uninterrupted power supply, maximization of self-consumption and peak shaving of high load peaks in the evening.

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Regional Capacity Development in ASEAN

In order to support the renewable energy development in the ASEAN region, Energynautics held three capacity building workshops to participants from utility networks, governments and other stakeholders in the public and private sector.

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Rooftop PV policy in Vietnam

To support the Electricity Regulatory Authority of Vietnam, Energynautics developed technical requirements for rooftop solar PV installations in Vietnam, taking existing regulations, international best practices, and local development targets into account.

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Power Quality Measurement Campaign at Al Zaatari PV Power Plant

A 12,9 MWp PV power plant was built to ensure the electricity supply for the Al Zaatari refugee camp in Jordan. In order to determine the influence of the PV plant on power quality, Energynautics conducted a power quality measurement campaign at several points in the local grid.

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Smooth PV

Smart Modelling of Optimal Integration of High Penetration of PV (Smooth PV) is a project which has the objective to develop advanced modeling and simulation tools using the software tool DIgSILENT/PowerFactory in order to evaluate the impact of a large-scale penetration of PV on the optimum economical design/operation of the distribution and transmission network.

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REEP 1000 Islands

GIZ has commissioned Energynautics to conduct pilot studies for renewable integration on two Indonesian islands. The Indonesian government has set a national target of 23% electricity from renewable sources by 2025. Hybrid systems on the more than 17,000 small Indonesian islands can contribute significantly to reaching this goal.

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3DMicroGrid

Microgrids are a promising solution to facilitate the integration of renewable energies. 3DMicroGrid includes the design, development and demonstration (3D) of a future-proof active smart microgrid system to integrate and optimize multiple energy sources and loads.

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DESIGNETZ

New innovative approaches are needed for a cost-efficient integration of renewables into the distribution grid. Energynautics analyses their effectiveness and refines their use for the BDEW traffic light concept.

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How-to guide for variable renewable energy integration

How can variable renewable energy be integrated in the Philippine power system? Energynautics shows how with a step-by-step guide developed for the World Bank and the Philippine system operator!

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Innovative Grid Toolbox

Grid expansion is an essential flexibility option for integrating ever-greater shares of variable renewable energy: We show which innovative “tools” there are in order to optimally use the transmission grid.

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European Grid Study 2030/2050

100% renewables by 2050? Commissioned by Greenpeace, the study investigated how the European grid has to be cost-optimized in order to realize the Energy [R]evolution Scenarios.

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VDMA Study on the
Stability of Gas Engines

In case of voltage dips in the grid, gas engines have to remain grid-connected. Using modelling and simulations, we demonstrate the effectivity of different Fault-Ride-Through solutions.

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Grid Absorption Study Seychelles

Renewable energy in small island systems brings economic benefits as well as technical challenges: We reveal how wind and solar can be optimally integrated into the Seychelles power system.

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Barbados Grid Code Review

Energy policy target for 2029: 29% renewables. With this in mind, Energynautics reviewed the Barbados Grid Code and developed new Planning and Operation Codes.

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Renewables Grid Integration Study Costa Rica

100% renewables today: Made possible by excellent wind, solar and hydro resources. We show how the power system should be organized for reliable operation.

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IRENA Grid Code Study

Which aspects have to be considered when developing grid codes for integrating high shares of renewables while maintaining a reliable and stable power supply? We provide answers!

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Snoopi – Smart Network Control with PV Infeed

PV battery systems can do more than just optimize self-consumption: Our controller stabilizes the voltage and thus paves the way for a higher PV penetration.

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Cell Controller Project

Development and test of a universal high-end Smart-Grid-Controller. The highlight: Pure autonomous island operation of the distribution system based solely on distributed energy resources.

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Distribution System Study Rhineland-Palatinate

100% renewables by 2030, that’s what the state government is aiming for. We show what this aim will mean for the distribution system of RLP and how smart grids can contribute.

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