Why Choose Us?
CASSI Engineering has the capacity to effectively handle projects of varying sizes, delivering results tailored to your specific needs. Through our extensive network of experienced professionals in both industry and academia, we have access to specialized expertise that perfectly aligns with the challenges at hand. We are adaptable and responsive, ensuring that we integrate smoothly into your team, working collaboratively to achieve high-quality outcomes in an efficient and timely manner.
Capabilities and Services
We enjoy adapting our strategies to offer every client the best solutions that are at the forefront of the industry.
Power System Analysis
Power system simulation and analysis is the core of CASSI’s business. The transition from conventional resources to renewable resources requires a large effort to identify and solve the technical problems this transition brings about.
CASSI can perform generator interconnection system impact and other studies which involve power flow, contingency, short circuit, dynamic stability, transfer, and electromagnetic transients analyses.
CASSI has experience in setting up and performing simulations
on several software platforms including PTI PSS®E, PSCAD™/EMTDC™, DIgSILENT PowerFactory, Aspen, PowerGEM TARA, DSATools™, and RTDS RSCAD.
Dynamic Model Development
Both generic and user-defined models are useful concepts in the simulation of power systems. While generic models are easier to use and more readily available, more accurate models that better represent a manufacturer’s equipment are preferred for example in studies where the power network is weak and electrical proximity of equipment
is expected to increase the chance of interaction between their controllers. CASSI has experience in developing dynamic models in the following platforms:
1. PSCAD™/EMTDC™
2. Siemens PTI PSS®E
3. DSATools™
4. RTDS RSCAD
5. DIgSILENT PowerFactory
Automation & Scripting
Power system analysis involves dealing with large volumes of data and repeating different processes, e.g. solving power flows many times during a study. Automation is crucial in order to minimize human errors, and to make the process repeatable. Exactly for this reason, nearly all commercial simulation software tools provide scripting options to allow interacting with software programmatically.
Python is the most popular scripting language among power system analysis tools followed by Visual Basic, Javascript, and in some cases proprietary scripting languages (e.g. DPL in PowerFactory).
CASSI Engineering has experience in developing scripts for automation especially in Python.
HVDC & FACTS
Leveraging extensive experience of our engineers in HVDC and FACTS, we offer expertise support in planning and conceptual designing of schemes such as HVDC terminals
(VSC, LCC), Static VAR Compensator, and STATCOM with a main focus on the following services:
1. HVDC & FACTS planning and feasibility studies
2. Specification Development
3. Model Development and Simulation
4. Fault / Event Analysis
5. Power Quality / Harmonic Assessment