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eeSimu is power system analysis and design software provided by EEPSS llc, positioned as a professional simulation tool for the electrical engineering field. It runs on Windows 10 or later and can be used to build visual digital models of small or large AC/DC power systems, then perform analysis, validation, demonstrations, monitoring, updates, and upgrades based on those models.
In terms of feature coverage, eeSimu is aimed at traditional power system engineering analysis rather than general-purpose development. Its modeling capabilities support both AC and DC components, and it uses a “Network” symbol to represent subnetworks, making it suitable for complex, hierarchical system modeling. Components can display names, comments, and data blocks, and the software supports visual operations such as ANSI and IEC symbol shapes, rotation, scaling, and grouping.
Its analysis modules are fairly comprehensive, including reliability assessment based on minimal cut sets, snapshot and time-series load flow, continuous power flow, motor starting, short-circuit and arc-flash analysis, harmonic frequency scanning and THD metrics, equipment sizing for cables and transformers, switching transient simulation, and time-domain simulation of control blocks. The text explicitly states that some methods follow standards such as IEEE Gold Book, IEEE Std 1584-2018, and IEC 60909, which is helpful for engineering compliance.
The product offers a 15-day free trial; if the evaluation period is not long enough, users can contact the official team with their trial ID to request an extension. After the trial ends, a license must be purchased to continue using the software. The terms of service state that prices may change, purchases are non-refundable, and subscriptions can be canceled to avoid future charges. However, the page does not disclose specific pricing, plan differences, or payment methods, so procurement transparency is only average.
The main advantage is broad module coverage, making it suitable for an integrated workflow from planning and design through fault and transient analysis. It also provides both Chinese and English website entry points, and the trial option lowers the barrier for initial evaluation. The drawbacks are also clear: only Windows support is explicitly mentioned, with no visible macOS, Linux, web, or cloud version; there is no information about APIs, SDKs, scripting automation, third-party integrations, self-hosting, or enterprise support; and while a user’s guide is mentioned, the crawled content does not show how detailed it is.
eeSimu is better suited to power system engineers, industrial power distribution designers, researchers, and teams that need to model and analyze AC/DC systems. If a team requires open scripting interfaces, large-scale automated simulation, or deep integration with existing platforms, these should be carefully verified during the trial period. The available text does not provide information about access from China, so it is recommended to test the official website registration, download, and payment processes directly. Alternatives worth comparing include ETAP, DIgSILENT PowerFactory, PSCAD, PSS/E, and OpenDSS.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on eepss.net official site.
eepss.net is an United States Energy provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach eepss.net directly.