Distributed energy resources software applications

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Distributed energy resources software applications

Eaton’s CYME Distributed Energy Resources (DER) software applications enables network modeling that reflects the evolving distribution system including distributed generation and storage units as well as the data produced by intelligent devices such as smart meters and sensors.

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Insightful

DER & load hosting capacity analysis methods

Impactful

Comprehensive system impact studies

Accurate

Accurate system modeling for DER integration

Kerneegenskaber

Assess the effects resulting from the interconnections of a single or multiple DER installations on the network
Supports modeling of DER, low-, medium- and high-voltage electrical system and associated equipment
Provide network hosting capacity without compromising system reliability and power quality
Study the impacts of DER output variability on the operations of network controls and the behavior of battery energy storage devices

High-precision DER modelling

Eaton's CYME software supports modelling of DER, low, medium and high-voltage electrical system and associated equipment. Constant enhancements to the software ensure that it supports emerging trends and can model various simulations related to the interconnection of distributed generation.

Robust hosting capacity analysis

Specific modules can be added to proactively and efficiently analyse the distribution system capacity for hosting new load or generation resources. Powerful load-flow and fault-analysis algorithms deliver clear results rapidly.

Advanced network simulation

Eaton’s CYME Network Editor supports the complete modelling of DER and additional modules support the advanced simulation of the whole network to allow more detailed analysis of the distribution system, inclusive of DER with electronics and non-linear loads. When combined, these modules help engineers to understand the future impact of modifications to the distribution system, derive realistic scenarios from the results and provide recommendations.

Complete modelling and analysis

Low-voltage secondary distribution modelling

The low-voltage secondary distribution model performs the detailed modelling and simulation of any circuit beyond the distribution transformer. This includes single-phase, centre-tapped transformers, plex cables and single-phase three-wire LV circuits.

Enhanced substation modelling

This module enables the accurate representation of all the major components of a distribution substation as well as any sub-network, such as a vault, a switching cubicle or an industrial facility. The simulations then take into account the effects of these installations on the overall distribution system.

Secondary grid network analysis

Secondary grid network analysis allows users to model any spot network, secondary grid and detailed network protector relay with complete settings. The module is equipped with robust power-flow and short-circuit algorithms to analyse heavily meshed networks.

Online maps service

Display Google Maps and MapQuest Open maps as layers underneath the geographical view of your electrical network model. With this service, users can locate a substation, a particular feeder, a street corner or pinpoint the address where a fault occurred.

Geographic overlay

Geographic overlay displays raster or vector map images (geographical landbase such as DWG, DXF, SHP, etc.) as layers directly underneath your electrical model. The module allows the import and display of several maps in different formats, so your users can visualise the distribution system over a comprehensive landbase.

Microgrid modelling and analysis

Microgrid modelling and analysis enables modelling and simulation of grid-tied microgrids operating in either islanded or grid-connected mode as well as isolated microgrids, such as those of remote communities far from any transmission and distribution infrastructure.

Hosting capacity analysis

Integration capacity analysis

Integration capacity analysis addresses the interconnection requests by calculating the maximum generation or load capacity that can be installed independently at each point of a distribution system without adversely affecting its reliability and power quality.

EPRI DRIVE

Seamlessly integrated into the CYME software graphical user interface, the EPRI DRIVE module combines the engineering effort of the EPRI DRIVE engine with CYME’s detailed distribution system model to return hosting capacity calculation results within a familiar environment.

System impact study

DER impact evaluation

Generation interconnection system impact studies can be executed within minutes with this module. It clearly assesses the impacts of DER interconnections on the distribution system, such as steady state voltage levels, overloads and reverse power flow. The module executes a comprehensive system impact study that integrates several criteria-based checks and multiple scenarios in order to flag abnormal conditions.

Network disturbance assessment

The network disturbance assessment module evaluates the power quality disturbances produced by equipment on a power source’s signal by determining if the equipment passes different power quality tests. Analysis is based on the standard “Technical Rules for the Assessment of Network Disturbance” published by a German-Austrian-Swiss-Czech working group.

Long-term dynamics load flow analysis

This module performs time series long-term dynamics load-flow analysis in the seconds-to-minutes range of the variable phenomena introduced by distributed energy resources. Device controls are included in the analysis, such as tap changers, shunt capacitors and switchable shunt banks. It also enables the time-domain simulation of smart inverters and battery energy storage systems.

Protective device analysis

This module helps power engineers effectively address protection issues by analysing time-current curves. The library contains over 15,000 protective device curves.

Module features: network protection analysis, minimum fault analysis and sequence of operation.

Harmonic analysis

The harmonic analysis module evaluates the impact of non-linear loads on the network to help engineers find mitigation methods for harmonics issues in the system. It features both single-phase and three-phase modelling capabilities, with the flexibility to assess utility-type grids, industrial power systems and distribution feeders of any configuration.

Transient stability analysis

Transient stability analysis simulates the dynamic behaviour of distribution systems with distributed generation under various transient events (fault application/clearing, large motor starting, disconnection of co-generation units, islanding, etc.).

Steady-state analysis with load profiles

This module executes time-series load-flow analysis based on the profiles modelled on a combination of historical consumption patterns and real-time monitoring data, such as SCADA, AMI, MDM, AMR, etc.

Non-wire alternatives

Load relief DER optimisation

Load relief DER optimisation allows engineers to efficiently design non-wire alternatives to mitigate capacity issues on critical grid assets.

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