ELTMAN boasts a team of senior engineers and consultants who conduct engineering studies and provide technical consulting, offering the following services:
Short Circuit.
Harmonic Filters Modeling for industries.
General Protections, Transmission lines and industrial systems adjustments.
Transient Recovery Voltage (TRV) Verification for Circuit Breakers.
Transmission line reclosing for EAT
Load flow.
Power fator correction.
Synchronous generator stability.
Energization of Extra High Voltage Transmission Lines (EAT) (345 KV, 440 KV, 500 KV).
Energization of Power Transformers.
Projects in the electrical, civil, mechanical, and telecommunications fields for Power Plants, Substations, Industrial Installations, and Roadway Systems.
Electrical
- Single-line diagrams.
- Protection and Control Systems Architecture.
- Descriptive Memoranda of AC and DC Auxiliary Services.
- Measurement, Protection, Command and Control Systems’ Technical Specification.
- Power Transformers’ Technical Specifications.
- Batteries and Chargers’ Technical Specifications.
- Emergency Diesel Generator’s Technical Specifications.
- PTs, CTs and Lightning Protector’s Technical Specifications.
- Circuit Breakers and Disconnect Switches’ Technical Specifications.
- Medium and Low Voltage Distribution Panels’ Technical Specifications.
- Descriptive Memoranda of Electromechanical Installation.
Civil
- Civil layout drawings, plans, and sections.
- Architecture drawings.
- Concrete ET.
Mechanical
- Mechanical layout drawings.
- Descriptive memoranda.
- Sizing of metal structures.
- Cooling system engineering for generators.
- Fire detection and suppression system engineering.
- Drainage and sewage systems engineering.
- Ventilation system engineering.
"Telecommunications"
- Telecommunication architecture.
- Telecommunication system ET.
- Frequency plan definition.
Overhead Networks
- Overhead Network Power Single-Line Diagrams.
- Auxiliary Services Single-Line Diagrams of Stations.
- Definition of Electrical Sectioning.
- Definition of Contact Wire and Messenger.
- Definition of Maximum Spans.
- Definition of Porticos' and Poles' Silhouettes.
- Calculation of Maximum Forces on Structures.
- Wire Diagram.
- Overhead Network ET.
Projects in the electrical, civil, mechanical, and telecommunications areas for Power Plants and Substations.
Electrical
- Single-Line Diagrams.
- Three-Line, Functional, and Logic Diagrams.
- Workstatement of Protection and Control Systems.
- Architecture of Protection and Control Systems.
- Sizing of Medium and Low Voltage Cables.
- List of Supervision Points for Protection and Control Systems.
- Configuration of Protection and Control IEDs.
- Selectivity Studies of Protection Systems.
- Verification of Protection CT Saturation.
- Configuration of Screens and Reports for Supervision and Control Systems.
- Interconnection Diagrams and Cable Lists.
- Electromechanical Design of Protection and Control Panels, including: Internal and External Views, Material and Label Lists, internal interconnection diagrams within panels.
- Sizing of Batteries and Chargers.
- Sizing of Emergency Diesel Generators.
- Sizing of Transformers for Auxiliary Services.
Panel design, including:
- External and internal views.
- Connection tables (From-To).
- Material and label lists.
- Sizing of power cables.
Wiring, including:
- Interconnection diagrams.
- Cable lists.
- Layout drawings, plans, and sections.
- Equipment installation drawings.
- Overhead network drawings.
- Electrical conduits drawings: trays, conduits, and ducts.
- Grounding mesh drawings.
- Lighting and outlet drawings.
- Atmospheric protection drawings.
- Material lists.
Electromechanical
- Equipment layout in yard, in plan and sections.
- Isometric of equipment and busbar stresses.
- Grounding mesh calculation and detailing.
- Electrical conduits.
- Equipment assembly details.
- External lighting calculation and detailing.
- Lightning protection system.
- Calculation of aerial busbar sag.
- Specification of installation materials and overhead network.
Civil
- Civil layout, plans, and sections.
- Drawings of forms and reinforcements for bases and channels.
- Sizing of equipment bases and gantries.
- Drainage system drawings.
- Architecture drawings of buildings.
- Hydraulic drawings of buildings.
Mechanical
- Mechanical layout.
- Drawings of piping for cooling water, drainage, and exhaust systems.
- Drawings of fire detection and firefighting system.
- Drawings of ventilation system.
- Drawings of generator cooling system.
- Drawings of drainage and exhaust systems.
- Drawings of metal structures.
Telecommunications
- Telephone network.
- Equipment cabling.
- Fiber optic network.
- Installation details of telecommunications equipment.
ELTMAN is fully capable to perform Factory Acceptance Tests and Site Acceptance Test, with primary equipments for protection and control digital systems. The company has the most modern test equipments from OMICRON and CONPROVE, allowing substantial productivity gains. ELTMAN’s knowledge in this area contemplates the main market players such as: GE, HITACHI, NARI, SCHNEIDER, SEL and SIEMENS.
Protection, Control, and Supervisory Systems (SPCS).
TAF - Factory Acceptance Tests (FAT)
- Internal wiring of panels
- Protection parameterization
Integration of the Digital System, including:
- Communication protocols
- Logics and interlocks of control units
- Database, Level 2 and 3 screens from the HMIs (Human Machine Interfaces)
- Performance testing of the entire system
Commissioning and SAT - Site Acceptance Tests (TAC)
- Verification of wiring
- Verification of curves and adjustment of protections
Integration of the Digital System with plant equipment, including:
- Communication protocols
- Logic and interlocks of control units
- Database and screens of Level 1, 2, and 3 HMIs (Human Machine Interfaces)
- Plant energization
Supervisory Systems
ELTMAN has multidisciplinary expertise in the Specification, Supply, and Configuration of Level 2 and Level 3
Supervisory Systems, with numerous successful implementations in Brazil and abroad.
Protection, Control, and Supervisory Systems (SPCS)
Primary Equipment of Substations and Power Plants
Training of Operation
and Maintenance teams
Reformas (Retrofits)
de instalações e de SPCS
ELTMAN has a team of Senior Engineers and Consultants for the development of the following Owner's Engineering services:
Analysis of Electrical Studies
Consolidation of Basic Projects
Analysis of Executive Electrical, Civil, and Mechanical Projects
Suppliers’ Technical Coordination
Assembly Supervision
Control and Protection Systems Consultancy
Technical Specification development
Equipment Purchase Consulting
Support for Factory Acceptance Tests (FAT)
Site Tests’ coordination (SAT – Commissioning)
ELTMAN possesses specialized knowledge to develop Digital Protection, Control, and Supervision Systems (SPCS) for Substations and Power Plants, integrating into a single contract the Design, supply and assembly of panels, Protection Settings, Configuration of IEDs and Supervisory Systems, and Commissioning.
Projects
Material Supply
Panel Assembly
Commissioning
Supply of Supervisory Systems