Contingency Analysis

Contingency Analysis for static constraints checks for voltage violations, voltage drop and thermal violations, and provides interactive network visualizations for operators. One of its key features is calculation of the load margin to thermal limit and voltage limit.

Key Features

Contingency ranking of a large set of credible contingencies in terms of static violations

Fast identification of threats to reliable operation

Calculation of load margin to voltage limit and thermal limit

Convenient contingency list generation and management

Various types of contingencies supported

Fast Smart Power Flow Solver with the Probability 1 Convergence for robust and high speed calculation

Violation screening and detection for static violations including voltage violation and thermal violation

Base case power flow solution

Detailed individual contingency analysis

Bulk contingency analysis and ranking

Result table display

Strong modeling capability

Network visualization with violation list and navigation.

State Estimation (SE-T)

SE-T is a comprehensive on-line state estimation solution which performs topology assessment, interconnect network modeling, bad data detection, measurement error analysis, parameter error detection and correction. TSE has great computational efficiency for complex large scale systems, and provides reliable results for other EMS applications.

Key Benefits

Accurate estimation results as good foundation for other EMS applications

Improved situational awareness

Improved system efficiency and security

Supporting better exploitation of the existing infrastructure

Flexible formulation and criteria for operator preferences

Monitoring state estimation result quality with simple "metric of confidence"

Easy model maintenance with on-line parameter error detection and correction

Key Features

"Metric of confidence" for estimation results

Formulation and solution tailored for operator's criteria

Traditional WLS method

Both Newton and fast decoupled Newton methods

Unique algorithms

Real-time topology assessment

Accurate modeling of interconnected networks

Fast bad data detection

Detailed measurement error analysis

Parameter errors detection and correction

High computational efficiency for complex large scale systems

Smart Power Flow

Smart Power Flow is a unique and powerful engine which can identify reasons of power flow divergence, and recover power flow solutions or provide solution restoring suggestions. It can serve as a supplement for the traditional power flow engine, and can also function as a standalone engine.

Key Applications

Transfer capability calculation

Steady-state security calculation

System planning evaluation

Operational system optimization

Key Benefits

Reducing engineering workload by elimination of certain tedious and iterative processes

Better utilization of engineering resources

More efficient utilization of existing transmission infrastructure

More secured and reliable system while increasing revenue

Key Features

Ensuring the existence or non-existence of power flow solutions

For feasible power flow problems, solutions can be guaranteed

For infeasible power flow problems, the non-existence of the solution will be identified

Suggestions for finding a power flow solution will be given for infeasible problems