Distributed energy resources software applications

Low-voltage secondary distribution modeling

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

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Enhanced substation modeling

This module enables the accurate representation of all 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.

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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 analyze heavily meshed networks.

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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.

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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 of different formats, so your users can visualize the distribution system over a comprehensive landbase.

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Microgrid modeling and analysis

Microgrid modeling and analysis enables modeling 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..

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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 impacting its reliability and power quality.

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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.

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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 verifications and multiple scenarios in order to flag abnormal conditions.

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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.

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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, including tap changers, shunt capacitors and switchable shunt banks. It also enables the time-domain simulation of smart inverters and battery energy storage systems.

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Protective device analysis

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

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

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Harmonic analysis

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

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Transient stability analysis

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

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Steady state analysis with load profiles

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

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Load relief DER optimization

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

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