Grid modernization software applications

Network editor

The Network editor features a user-customizable graphical user interface underlying the CYMDIST applications and the complementary CYME analyses modules.

This includes extensive modeling capability of Distributed Energy Resources (DER) equipment and energy storage; along with the definition of all customer types necessary. The software also includes control models that are relevant to the various generation sources. All libraries can be enriched by users.

The Network editor is included in the Distribution System Analysis package (CYMDIST).

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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.

Learn more about the Enhanced substation modeling module

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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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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Distribution state estimator

Process various measurements to estimate the load and power flow as well as the voltages of the system based on any type of electrical model to determine the best solution. The analysis solves for radial, looped and meshed networks.

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Dynamic data pull

Refine the as-built planning model with field measurements such as power, current, voltage, load demand, generation, or device statuses for switches, voltage regulators and shunt capacitor banks.

Advanced fault locator

Reports all the possible fault locations, taking into account multiple monitoring elements, fault indicator statuses and monitored data from COMTRADE files.

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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Reliability assessment module

The module computes reliability indices for the overall system and their corresponding protection zones, as well as customer point indices. The predictive model can be calibrated based on historical data. The user can analyze different system configurations and measure the improvement in reliability indices.

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Optimal recloser placement

Working with the Reliability Assessment module, it takes into account objectives and criteria, studies the reliability indices, and evaluates the expected improvement to find the optimal locations for reclosers.

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Contigency assessment and restoration

This module is a comprehensive tool to study the impact of contingencies on the distribution system. It supports assessment of the robustness of the networks by identifying potential problems with outages and planning maintenance and finding an optimal switching plan for power restoration

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Volt/VAR optimization

Identify the optimal configuration of installed capacitors, the in-line regulator and the transformers with LTC in a distribution system. The calculations take into account constraints on the network as well as objectives such as peak shaving, reduced system losses and improved voltage profile in order to optimize system efficiency.

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LOptimal voltage regulator placement

Use this module to determine the optimal location and set the tap position of voltage regulators, as well as determine the amount of regulators needed to achieve the desired voltage regulation.

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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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Long-term dymanics 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.

Learn more about Long-term dynamics load flow analysis

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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CYME GATEWAY

Extract all necessary information from your GIS and other enterprise systems to automatically generate up-to-date and accurate distribution network models, ready for planning and operational studies executed with the CYME software.

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CYME Server

This module enables a large number of users to simultaneously and concurrently perform CYME simulation requests from various client applications; DMS, OMS, EMS, SCADA, GIS, etc.

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Low-voltage secondary distribution modeling

Refine the as-built planning model with field measurements such as power, current, voltage, load demand, generation, or device statuses for switches, voltage regulators and shunt capacitor banks.

Data pus publishing

This is a custom bridge built between the CYME software and the external systems desired, based on the extensive CYME keywords library.