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CYME power engineering software solutions

Transmission system software applications

Connectivity projects related to the transmission system backbone require specific simulations to identify and address potential problems, as well as managing system performance and reliability. Eaton’s CYME transmission system software applications support modeling and analysis of medium-scale projects that incorporate decentralized generation.

Manage system performance
Identify and resolve potential problems
Network design
Properly select and size network assets
Protection scheme design
Ensure system reliability and security

Core features

  • Optimize system operation and minimize energy loss with properly sized equipment
  • Identify abnormal operating conditions in both steady state and transient conditions
  • Evaluate power factor, harmonic distortion problems and resolve using correct filter design
  • Validate various protection schemes including distance relays
  • Model equipment controls to simulate their behavior for system stability studies
  • Assess system reliability through what-if scenarios involving multiple contingencies

Accurate network modeling

Modeling transmission lines--from generation to the end-use customers--with all associated equipment is the basis of any sound network simulation.

Planning system assets and ratings

Minimize energy losses and optimize operation with proper planning of transmission networks and on-site generation units.

System analysis for improved network efficiency

Simulate different operating conditions, assess the stability of a transmission system under different contingencies and loading conditions and examine cost-efficient operational alternatives.
Specifications

Network modeling

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).

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.

Power flow

Analyze the steady-state performance of the power system under various operating conditions for both AC and DC transmission systems, including FACTS.

Fault analysis

Ensure system safety by assessing the effects of short-circuits (conventional, ANSI, IEC 60909 and IEC 61363), series and simultaneous. Locate faults, verify equipment ratings and study voltage sags.

Assets and ratings

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).

Equipment sizing and rating

Evaluate devices based on either ANSI or IEC 60909 short-circuit interrupting ratings and maximum loading of the device in steady-state conditions.

Equipment librairies and models

The definition of the network equipment is facilitated by the CYME extensive libraries and relevant computations. New models can be defined by the user.

Part of the Network editor base module.

Power flow

Analyze the steady-state performance of the power system under various operating conditions for both AC and DC transmission systems, including FACTS.

Fault analysis

Ensure system safety by assessing the effects of short-circuits (conventional, ANSI, IEC 60909 and IEC 61363), series and simultaneous. Locate faults, verify equipment ratings and study voltage sags.

Motor start

Determine impact of motor start on the network. Evaluate voltage flicker, locked rotor load and maximum motor size estimation.

System planning

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).

Batch analysis

Perform scenarios composed of several analyses  on any selection of studies. The simulation plans are entirely configurable.

Part of the Network editor base module.

Advanced project manager

Supports the collaborative and detailed preparation of time-based projects to assess multiple scenarios in an efficient manner.

Techno-economic analysis

Evaluate the feasibility and profitability of a project, based on the factual system model, leading to realistic planning in line with technical, service reliability and investment objectives. Works in conjunction with the Advanced project manager in order to estimate costs for forecasted load growth.

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.

Overcurrent protection and distance relays

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).

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.

Distance protection analysis

Analyze the operation of distance protection relays under normal and fault conditions. Helps in the design and verification of protection schemes and to address different coordination issues in any power system network

Power quality and filter design

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).

Power flow

Analyze the steady-state performance of the power system under various operating conditions for both AC and DC transmission systems, including FACTS.

Fault analysis

Ensure system safety by assessing the effects of short-circuits (conventional, ANSI, IEC 60909 and IEC 61363), series and simultaneous. Locate faults, verify equipment ratings and study voltage sags.

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.

Operating and performance studies

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).

Batch analysis

Perform scenarios composed of several analyses  on any selection of studies. The simulation plans are entirely configurable. Part of the Network editor base module.

Advanced project manager

Supports the collaborative and detailed preparation of time-based projects to assess multiple scenarios in an efficient manner.

Power flow

Analyze the steady-state performance of the power system under various operating conditions for both AC and DC transmission systems, including FACTS.

Fault analysis

Ensure system safety by assessing the effects of short-circuits (conventional, ANSI, IEC 60909 and IEC 61363), series and simultaneous. Locate faults, verify equipment ratings and study voltage sags.

N-p load flow contigency

Designed to assist in power flow related static contingency analysis, this module supports the creation of contingency events, single- or multiple-outage scenarios and comparison to a base case in order to assess the system’s capacity and resilience.

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.).

Optimal power flow

Analyze the steady-state performance of the power system under various operating conditions for both AC and DC transmission systems, including FACTS.

Voltage stability analysis

Assess the ability of a power system to maintain stable voltages under different contingencies and loading conditions.

Scripting

CYME scripting tool with Python

Python scripting is integrated into the CYME power system analysis software. It consists of an API that exposes the CYME functionality to easily build from automated processes to new algorithms that extend the functionality of the CYME software.

Component Object Modeling

COM (Component Object Modeling) is an interface comprising a set of services used by programmers to allow the environment of your choice to communicate with the CYME software to access different pre-defined functions and calculations.
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