OUR SERVICE
- Railway Electrification Engineering, Design, Installation and Maintenance Services
- Energy Transmission and Distribution Line Design and Installation Works
- Railway Traction Power Systems and Technical Building Construction Works
- Railway Scada System Technologies
- Tunnel Electro-Mechanical Systems Design and Installation Services
- Business Development and Proposal Works in the Areas of Services
RAILWAY ELECTRIFICATION ENGINEERING, DESIGN, INSTALLATION AND MAINTENANCE SERVICES
Depending on the scope of the projects undertaken by our company, all electrification design documents specified in the table below are prepared by our design department which consists of experienced designers as a full package according to international standards. Beyond design activities, test & commissioning and maintenance service is also provided.
BASIC DESIGN DOCUMENTS
- Overhead Contact Line System Description Report
- Traction Power Substation Documents
- Power System Simulation Report
- Overhead Contact Line Dynamic Simulation Report
Energy Transmission and Distribution Line Design and Installation Works
Yapıtel provides design, procurement, installation and test & commissioning of energy transmission and distribution lines services. These services include below items:
- Route selection
- Land surveys
- Preparation of plan and profile
- Preparation of conductor sag and tension calculations
- Selection of suspension and tension fittings according to the conductors to be used in the line
- Selection of insulators
- Load calculation of towers
- Calculation of steel foundations and structures for Energy Transmission Line.
- Procurement of materials
- Construction and installation works.
- Test and commissioning
Railway Traction Power System and Technical Building Construction Works
Yapıtel provides comprehensive Substation Construction Services for projects involving both AIS (Air Insulated Switchgear) and GIS (Gas Insulated Switchgear) transformer substations.
Our Service
- Substation area civil infrastructure, superstructure works
- Substation steel structure design and installations
- Design, installation, testing & commissioning, and maintenance of Power transformers and HV/LV switchgear equipment
- Earthing calculations
- Short circuit analysis
- Harmonics Report
- Current Transformer & Voltage Transformer Calculation Report
- Insulation Coordination & Surge Arrester Selection Report
- RAM Study System Assurance Assessment
Traction Power System Simulation
Determining and controlling traction power is essential for designing new railway systems or extending existing lines with additional track connections or shortening existing lines. It is a fundamental factor in determining other parameters for the electrification system and ensuring its effective operation. Yapıtel performs traction power analysis in this context. Our simulation includes:
- Design and simulation of power supply systems for railways, metros, and trams
- AC and DC power analysis and evaluation studies:
- • Line voltage drops, earth potential analysis
- • Dimensioning of transformers, rectifiers, power cables, and catenary line conductors
- • Touch and step voltage analysis
- • Determination and evaluation of line energy consumption
- • RMS values of power and current drawn from substations and feeders for instantaneous and different periods
- • Regenerative braking evaluation analysis, onboard and wayside energy storage systems, automatic receptivity unit, DC/AC converter systems
- • Definition and evaluation of protection settings and implementers against short circuits
- • Design and control of train operation and timetable
- AC and DC power supply network
- • Load flow, short circuit, and harmonic calculations, power quality, voltage imbalance evaluation
- • Power factor correction studies
- Verification and design of compliance with international standards (TSI, TSE, Arema, etc.) based on the analysis and simulation performed.
- Mainline Signaling Systems (conventional, ETCS L1 & L2)
- Tramway/LRT Control Systems
- Depot/Marshalling Yard Control Systems
- Level Crossing Systems
- Telecommunication Systems
- Transmission Networks (SDH, MPLS, LAN, WLAN)
- Telephony Systems (PABX)
- Wireless Systems (GSM-R, LTR-R, DMR, Tetra Radio)
- Closed Circuit TV (CCTV)
- Public Announcement Systems (PAS)
- Passenger Information Systems (PIS)
- Revenue Collection Systems (passenger & freight)
- Rolling Stock Management
- Environmental Control Systems (SCADA, Alarm)
- Fiber Optic Sensing
- Earthquake Detection and Structural Health Monitoring
- Power Supply for Signaling and Telecom System
- Low Voltage Power Supply Systems
Maintenance Services
- Consists of maintenance (L1, L2 and L3 maintenance support)
- • Signalization System ETCS Level 1&2 and Subsystems
- • Centralized Traffic Control (CTC) and Subsystems
- • Telecommunication Systems (GSM-R, SDH)
- • Uninterruptible Power Supplies
- • Point Heater System
- • Air Conditioning, Fire Detection, and Burglar Alarm Systems
- • Public Information System (PIS) and Public Announcement System (PAS)
Business Development and Proposal Works in the Areas of Services
Business development and proposal works involve identifying new business opportunities, fostering relationships with potential clients, and developing competitive proposals to secure contracts.
Railway SCADA System Technologies
Yapıtel offers cutting-edge technological solutions for monitoring and controlling the catenary lines and substations. Our solutions ensure safe operation, facilitate rapid problem resolution, and support the long-term sustainability of the system. Yapıtel provides:
- Centralized Monitoring SCADA and Control of Distribution Networks
- Remote & Local monitoring and control of substations and catenary systems equipment
- Centralized fault record collection
- Secured remote access to substation IEDs (Remote Accessibility System, RAS)
- Automated Metering Infrastructure
- Substation Modernization - upgraded with solutions like digital IEDs, RTU/Gateway, and Substation Automation Systems
- Power Transformer Monitoring
- Current Transformer & Voltage Transformer Calculation Report
- Monitoring and control of distribution feeders over mobile network
Tunnel Electro-Mechanical Systems Design and Installation Services
These services involve the expert design and installation of electro-mechanical systems designed specifically for railway tunnels. Related services include a comprehensive approach to integrating essential components such as:
- Ventilation
- Lighting
- Fire protection
- Emergency systems
- Communication networks
- Ensuring efficient operations and enhanced safety within railway tunnels