Introducing PSSE 35.4

PSSE 35.4 (Power System Simulator for Engineering) is one of the most powerful and comprehensive power system simulation, analysis, and optimization software solutions in the world, developed by Siemens PTI. This software is an industry standard used by electrical engineers, transmission and distribution companies, energy producers, and researchers worldwide, with the capability to model small networks to large transmission and distribution grids.

Version 35.4 was officially released in April 2023 and includes significant advancements in Harmonic Analysis, Time Series Power Flow, Node-Breaker Modeling, and new dynamic models. This version is recognized as one of the most important PSSE updates in recent years, providing new capabilities for power network analysis.

Version 35.4 has been adopted by reputable organizations such as ERCOT (Electric Reliability Council of Texas) for power network analysis in the United States and is recognized as the standard version for Node-Breaker modeling.

New Features in PSSE 35.4

Version 35.4 has been released with innovative features, the most important of which include:

Time Series Power Flow

• Import Load and Generation Profiles: Import load and generation profiles and scheduled outputs from data files
• Automated Solving: Create and automatically solve cases using robust power flow methods
• Results as Charts and Tables: Display results as charts, spreadsheet tables, and reports

Harmonic Analysis

One of the most important new features in version 35.4 is the addition of Harmonic Analysis, which includes:

• Frequency Scan: Frequency scan at subsystem buses
• Voltage and Current Distortion Calculation: Accurate calculation of voltage and current distortion
• THD: Calculation of Total Harmonic Distortion (THD) factors for voltage and current

Node-Breaker Modeling

• Unique Names: Apply unique names for nodes and switching equipment within a substation
• Substation Ampere Report: New ampere report for substations with results displayed as tables and charts
• Node-Breaker Support in Contingency Analysis: Support for switching operations in N-1-1 and Multi-level ACCC analyses
• Speed Improvement (~10%): Improved speed in executing switching operations in Contingency analysis

Contingency Analysis

• Monitored Branch Angle Difference Report: Report angle difference for monitored branches
• Contingency Grouping Feature: Added grouping capability (e.g., P1, P2, etc.)
• Switching Operation Report: Report switching operations resulting from Contingency events

New Dynamic Models

Version 35.4 includes the following new dynamic models:

• WTGWGOA, WTGIBFFRA, WTDTB, WTPTB, REPCC, VHVDC1
• ST2C, ST3C

New Data Formats in PSSE 35

In version 35, a new RAWX file format based on JSON has been introduced, which will serve as the standard text-based format for exchanging PSSE power flow data. RAWX files contain two types of data objects:

• Parameter Sets: Contains an array of field names and an array of field values
• Data Tables: Contains an array of field names and an array of records

From version 34 onwards, Bus-Branch data can be integrated with Node-Breaker data extensions, providing a more accurate representation of substation connections.

Benefits of Using PSSE 35.4

• ✅ Advanced harmonic analysis for power quality assessment
• ✅ Time series power flow for dynamic network analysis
• ✅ Node-Breaker modeling for more accurate substation representation
• ✅ New dynamic models for modern equipment
• ✅ Improved speed in Contingency analysis
• ✅ New RAWX data format based on JSON
• ✅ Industry standard for power system analysis
• ✅ Support for large and complex networks

Cracked Version of PSSE 35.4

We have the full cracked version of PSSE 35.4 software available. This version:

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