What We Do

Persis Engineering is an electrical engineering consultancy based in Brisbane, Australia. Our focus is on providing top-quality solutions for electrical, instrumentation, and industrial control system design, along with dedicated project support.

With a wealth of expertise in electrical infrastructure design, Persis Engineering understands the diverse and unique requirements associated with each project. Our team of highly experienced engineers assesses and plans the design phase of every project, taking into account technical feasibility and cost-effectiveness. We recognize the importance of delivering tailored solutions that align with the specific needs of our clients, ensuring successful project outcomes. At Persis Engineering, we are committed to providing comprehensive and efficient electrical infrastructure designs that meet and exceed client expectations.

Here is a list of the key areas where we excel, ensuring we can effectively meet your project requirements:

Low Voltage System Design:

We place utmost importance on meeting clients’ specifications and requirements. Our design approach adheres to relevant codes and standards such as AS/NZS 3000 (Wiring Rules), AS/NZS 3008, AS/NZS 61439, and incorporates compliance with Energex / Ergon standards. With our expertise, we ensure that your Low Voltage System design meets the highest quality and safety standards, providing reliable and efficient electrical solutions for your project.

Our Low Voltage System design services are customized to meet your specific project requirements. We provide a comprehensive range of services including:

Site Assessment: Thorough evaluation of site conditions, loads, and maximum demand assessment to ensure accurate design.
Software Modelling: Utilization of PowerCAD / SKM PowerTools for system modeling and analysis.
Evaluation of design considerations, including equipment selection, coordination, and compliance with relevant codes and standards and clients specifications and requirements.
Design of switchboards for efficient and reliable power distribution
Comprehensive power system studies including load flow, short circuit, protection coordination, arc flash, harmonics and power quality
Design of earthing systems to ensure safety and equipment protection.
Lightning assessment and design
Sizing of cables to meet electrical load requirements and minimize voltage drop.
Preparation of comprehensive design reports and all necessary study and construction drawings for smooth project implementation.

HV System Design

Benefit from our expertise in HV Distribution system design, encompassing indoor HV switchboard and switchroom design works. Our comprehensive services align with the requirements outlined in AS-NZS 2067, ensuring compliance and delivering high-quality solutions. We provide a range of services, including:

HV Switchboard Design: Design of HV switchboards to ensure efficient and reliable power distribution.
HV Protection Design: Expert design of HV protection systems for enhanced safety and equipment protection.
CT and VT Sizing: Accurate sizing of current transformers (CT) and voltage transformers (VT)
Protection Coordination: Careful coordination of protection devices to ensure effective fault detection and isolation.
Earthing System Design: Design of earthing systems to mitigate electrical hazards and ensure personnel safety.
Arc Flash Studies: Thorough analysis and studies to assess and mitigate risks associated with arc flash incidents and proper PPE selection.
Designing optimal cable routes and HV cable sizing
Switchboard Selection: Assisting in selecting suitable switchboards to meet the operation and safety needs.

With our comprehensive range of services, we deliver tailored HV System Designs that meet your project’s requirements and ensure the reliable and safe operation of your electrical infrastructure.

Power System Study

Our services include:

Load Flow Analysis: Thorough assessment of power flows, voltage profiles, and system losses.
Short Circuit Analysis: Evaluating fault currents and determining protective device ratings for reliable fault protection and equipment fault rating.
Protection Coordination Study: Fine-tuning the coordination of protective devices to ensure selective operation and minimize downtime during faults and personal safety.
Arc Flash Analysis: Assessing arc flash hazards and providing recommendations to mitigate risks, ensuring personnel safety.
Harmonic Analysis: Identifying and mitigating harmonics that can lead to equipment malfunctions and power quality issues.
Transient Stability Analysis: Evaluating system response to transient disturbances and ensuring stability during abnormal events.
Voltage Stability Analysis: Assessing the ability of the system to maintain acceptable voltage levels under varying conditions.

With our expertise in power system studies, we provide valuable insights and recommendations to optimize the performance, reliability, and safety of your electrical power system.

Arc Flash Study

Our specialized Arc Flash Study services help you assess and mitigate the risks associated with arc flash incidents in your electrical system. Our comprehensive study includes:

Data Collection: Gathering essential data about your electrical system, including equipment specifications, fault current levels, and protective device settings.
Arc Flash Analysis: Utilizing advanced software tools, we perform detailed calculations to determine arc flash incident energy levels and arc flash boundaries at various points in your system.
Hazard Labelling: We provide clear and accurate labelling of equipment, indicating the potential arc flash hazard and required personal protective equipment (PPE) for safe operation.
Mitigation Strategies: Based on the study results, we offer practical recommendations to minimize the arc flash risks, such as equipment modifications, protective device settings, and safe work practices.
Training and Awareness: We provide training sessions to educate your personnel on arc flash hazards, proper safety procedures, and the correct use of PPE to enhance their awareness and minimize the risk of accidents.

Our Arc Flash Study empowers you to proactively manage arc flash hazards, ensuring the safety of your personnel, compliance with regulations, and the uninterrupted operation of your electrical system.

Switchboard Assessment

Our comprehensive Switchboard Assessment services are designed to evaluate the performance, safety, and reliability of your switchboard system based on current standards. Key aspects of our assessment include:

Visual Inspection: We conduct a thorough visual inspection of the switchboard, examining its condition, cleanliness, and any signs of wear or damage.
Electrical Testing: Our expert technicians perform electrical tests, including insulation resistance, continuity, and circuit breaker functionality, to ensure proper functioning and adherence to safety standards.
Load Analysis: We analyze the load distribution and demand on the switchboard to identify any potential issues, such as overloading or imbalanced loads.
Protective Device Coordination: We review the coordination of protective devices within the switchboard to verify that they operate in a sequential and coordinated manner during fault conditions.
Safety Compliance: We assess the switchboard’s compliance with relevant safety regulations and standards, ensuring the presence of proper labeling, clearances, and safety interlocks.
Recommendations: Based on the assessment findings, we provide detailed recommendations to address any identified deficiencies or areas for improvement. This may include suggestions for maintenance, repairs, or upgrades to enhance the switchboard’s performance and safety.

Our Switchboard Assessment helps you identify and address potential risks, optimize the functionality of your switchboard system, and ensure the reliable and safe operation of your electrical infrastructure.

Detailed Design

Our Detailed Design services offer a comprehensive approach to engineering projects, focusing on creating thorough and precise design documentation. Key aspects of our Detailed Design services include:

Engineering Drawings: Our team creates construction drawings, including SLD, schematics, termination diagrams, loop diagrams, general arrangements.
Equipment Selection: We assist in selecting appropriate equipment, considering factors such as performance, durability, cost-efficiency, and compliance with industry standards and meeting clients need.
System Integration: Our engineers ensure seamless integration of various systems and components within the project, optimizing functionality, reliability, and efficiency.
Compliance with Regulations: We ensure that the detailed design adheres to relevant codes, standards, and regulatory requirements, ensuring the project’s compliance and safety.
Safety in Design: Our design process includes a thorough assessment of potential risks and the incorporation of appropriate mitigation measures to minimize hazards and ensure a safe working environment.
Collaboration and Coordination: We foster effective collaboration and coordination among various stakeholders, including client, contractors, and subcontractors, operators, and asset owner to ensure seamless integration of design elements.

Our Detailed Design services provide you with a comprehensive and well-documented design solution that serves as a roadmap for successful project implementation. With our attention to detail and technical expertise, we deliver designs that meet your project objectives, budgetary constraints, and regulatory obligations.

Design Management

Our Design Management services offer comprehensive oversight and coordination of the design phase of your engineering project, ensuring efficient and successful project delivery. Key features of our services include:

Design Team Coordination
Design Quality Assurance
Design Risk Management
Design Coordination with Stakeholders
Value Engineering
Design Documentation and Control
Design Integration and Coordination with Construction

Our Design Management services foster effective collaboration, ensure design excellence, and mitigate design-related risks, resulting in the successful delivery of your engineering project. With our expertise, you can achieve efficient design processes, optimized project outcomes, and client satisfaction.

Project Management

Our Project Management services offer comprehensive support to ensure the successful execution and delivery of your engineering projects. Key features of our services include:

Project Planning
Scope Management
Risk Management
Resource Management
Budget Control
Communication and Stakeholder Management
Quality Assurance
Project Reporting

Our Project Management services provide you with a dedicated team who will ensure that your project is executed efficiently, on time, within budget, and to the highest quality standards. With our expertise, you can confidently navigate the complexities of project management and achieve successful project outcomes.

Construction Support

Our Construction Support services offer comprehensive assistance during the construction phase of your engineering project. With a focus on ensuring efficient and successful construction execution, our services encompass:

Construction Planning
Sub-Contractor Selection
Site Supervision
Quality Control
Progress Monitoring
Change Management
Issue Resolution
Safety and Compliance

Our Construction Support services provide you with the expertise and oversight needed to ensure a successful construction phase. We aim to deliver projects on time, within budget, and to the highest quality standards, while maintaining a strong focus on safety and compliance.

Procurement Support

Our Procurement Support services offer comprehensive assistance throughout the procurement process, ensuring the efficient and effective sourcing of equipment, and services for your engineering project. Key features of our services include:

Supplier Evaluation and Selection
Bid Management
Contract Negotiation
Supplier Relationship Management
Procurement Tracking and Reporting
Quality Assurance
Cost Control

Our Procurement Support services streamline the procurement process, ensuring timely delivery of materials, equipment, and services while maintaining quality and cost control. With our expertise, you can confidently navigate the complexities of procurement, saving time and resources while maximizing project success.

Commissioning Support

Our Commissioning Support services provide comprehensive assistance during the commissioning phase of your engineering project, ensuring the smooth transition from construction to operational readiness. Key features of our services include:

Commissioning Planning and workshop management
System Readiness Assessment
Pre-Commissioning Activities
Commissioning Execution
Performance Testing and Validation
Operator Training and Handover
Documentation and Reporting
Post-Commissioning Support

Our Commissioning Support services ensure a seamless and successful transition from construction to operation, enabling the efficient and reliable functioning of your engineering project. With our expertise, you can achieve optimal performance, adherence to specifications, and a smooth operational start-up.