Dipl. - Ing. in Electrical Engineering

Introduction / Business model:

• Engineering office HD Göttlich for the energy supply industry, renewable energies (electricity), electric mobility and facility management (building services)

Service offerings:

• Consulting, design, planning and network construction of infrastructure solutions
• Network infrastructure analyses
• IoT-Solutions and „Intelligent networks“ (Smart Grid technology, Smart Grid concepts, grid architectures and Smart Grid systems)

Tailored charging infrastructures for electric mobility:

• Independent engineering office for consulting, planning, design and network construction of electrical grids for “electric mobility”
• Feasibility analyses and studies
• Connection inspections and checks
• LIS planning based on structural, technical, electrical, economic and legal conditions and connection techniques (requiring approval) (conversion, (capacity) changes, replacement or new construction of the customer system)
• Development of solution variants and cost-benefit analyses
• Holistic consideration of complex projects
• Intelligent complete solutions (distribution grids) for “electric mobility” – integration of charging stations, PV systems and storage – according to the current Technical Connection Rules (TAR xxx and FNN notices), the Technical Connection Conditions (TAB xx) and standards and regulations at the low-voltage (VDE-AR-N 4105) and medium-voltage level (VDE-AR-N 4110)

HDG service offerings: Plan projects successfully, transparently and economically with planning tools!

• Apartment buildings and business centers with underground parking
• Shopping centers, parking garages, supermarkets
• Solutions for vehicle fleets, logistics centers, hospitals
• Data centers as well as industrial parks and companies (in the public and semi-public sector)

Holistic assessment of projects based on generally accepted technical and safety standards:

• Laws (e.g. GEIG, DGUV V3 & LVO/LSV), standards (DIN, VDE, ISO & IEC) and guidelines (e.g. DSO notices, VDE/FNN notices & EU directives)
• Technical connection rules and conditions for low-voltage and medium-voltage levels
• Connection technology according to TAR power, TAB 2019 and TAB 2023 V.2.0
• Grid connection technology and grid compatibility of electrical installations
• Alterations, new construction and modifications of customer systems (changes of use or capacity increases, replacement or new construction?)
• Sizing of cable cross-sections
• Requirements for a second grid connection (e.g. in housing management)
• Metering concepts and billing
• Minimum requirements for current sensors in the pre-meter area
• Demand analyses (today and tomorrow)

Consulting, feasibility analysis and review:

• Initial meetings (structural, technical, electrical & legal)
• Gathering customer requirements
• Defining specifications
• LIS concept creation with the customer
• Demand analysis / E-vehicle forecast
• Cost-benefit analyses
• Creation of performance specifications
• Presentation of cable systems
• Creation of technical checklists
• Product consulting and selection
• Neutral recommendations and equipment levels including load management and charging technology
• Expansion stages and preliminary work
• Project coordination and rough scheduling
• Building inspection (structural & technical check of the building and underground parking)
• System and connection inspection (electrical & spatial)
• Demand and consumption analyses
• Potential analyses & load calculations
• Development of metering and billing concepts
• Analysis of the existing power grid
• Potential analysis / identification of possible load reserves
• Is a capacity increase possible?
• Expansion scenarios and possible interim solutions
• Creation of a calculated power balance
• Load profile measurement?
• Solicitation of offers and offer comparisons

Electric mobility charging infrastructure planning:

• BTB / on-site structural inspection
• As-is recording of project data for LIS planning
• Conventional cable system or busbar system
• Cable cross-section determination according to DIN VDE 0298-4
• Design, project planning and sketching of a charging infrastructure
• Development of a scalable infrastructure
• Creation of solution variants
• Determination of material and capacity requirements
• Project and condition assessment
• Final report with inspection protocol including photos and documentation
• Rough and detailed offers including a rough schedule

Technical connection process (connection rules) according to VDE-AR-N 4105 (low-voltage level): The following points must be clarified between the network operator and the connection applicant (grid connection planning)

• Connection technology according to TAR power and TAB 2019/2023
• Alterations, extensions, decommissioning, modifications or modernization of customer systems
• Change of use and/or capacity increase?
• Replacement or new construction?
• Metering concept and arrangement of metering devices
• Space conditions in the LV/HV room
• Changes to the protection concept and connection capacity
• Structural conditions for a second grid connection

Technical project management, project communication with local network operators and authorities, project support and/or conversion planning:

• Planning, implementation and network construction of AC and DC charging structures
• Preparation, execution, monitoring and control of construction measures
• Coordination of various trades in daily operations concerning deadlines, quality and budget goals
• Communication with all internal and external stakeholders in the project environment
• Experience with technical projects in the field of “electric mobility”
• Compliance with and monitoring of construction progress
• Coordination of all activities with network operators to ensure timely connection technology for charging stations (network connection activities)
• Securing necessary approvals (authorities & DSO)
• Certification of electrical products/systems
• Coordination, arrangement & planning of certification activities

Electric mobility professional and efficient planning with tools:

• Sizing (equipment) with SIMARIS design
• Determining space requirements (switchgear & power distribution) with SIMARIS project
• Use of online tools (hager, Schneider Electric and Siemens) for charging infrastructure planning (from data collection to LIS planning)
• Grid calculations and simulations

The requirements for building services are becoming more complex. Flexibility, scalability and cost efficiency should already be considered during planning. Integrated planning supports planning security and helps reduce costs.

Technical connection process (connection rules) according to VDE-AR-N 4110 (medium-voltage level): The following points must be clarified between the network operator and the connection applicant (grid connection planning)

• Connection capacity for consumption and feed-in
• Voltage level and grid connection point
• Location of the transfer station and routing of the lines
• Type of connection (e.g. cable or overhead line)
• Setup of the medium-voltage system
• Required remote control/monitoring
• Metering concept and arrangement of metering devices
• Ownership, operation management, disposal and operation area boundaries
• (Certification of the new customer system)

Technical project management for medium- and low-voltage level earthworks/underground cables and overhead lines for renewable energy systems: Technical project management:

• Analysis of technical conditions for feasibility
• Identification of suitable sites (structural and electrical)
• Obtaining building permits including coordination with construction teams
• Setup of a requirement-based charging infrastructure (DC, AC and PV systems)
• Planning, implementation and network construction of AC/DC charging infrastructures & PV systems
• Preparation, execution, monitoring and control of construction measures
• Coordination of various trades in daily operations concerning deadlines, quality and budget goals
• Communication with all internal and external teams involved in the project environment
• Experience with technical projects
• Compliance with and monitoring of construction progress (construction plan / civil works / sites)
• Creation of progress reports, schedules and reporting
• Quality control, acceptance of sites and handover to the operations team

Experience working with network operators and authorities:

• Coordination of all network connection activities with network operators to ensure timely connection technology for charging stations
• Securing necessary approvals (authorities & DSO)
• Certification of electrical installations (customer systems)
• Coordination, arrangement & planning of certification activities

The right charging concept for your fleet (depot)! Feasibility analyses:

• Data collection / as-is recording (e.g. operational data)
• Recording the operational situation (what adaptations are needed?)
• Capturing technical conditions (structural, technical and electrical)
• Analysis of technical conditions (possibly bus depot conversion, modernization and integration of charging points in the service area)
• Technical feasibility review (are operational adaptations needed?)
• Determining vehicle requirements (by mileage, driving times & parking/idle times)
• Electrification (depot charging facilities and/or along the route) depot charging points in service area
• Developing operational models
• Creating concept variants (the best concept for your fleet)
• Developing conversion concepts and phases (vehicle technology, charging infrastructure, circulation and charging phase planning, charging behavior, energy demand and consumption)
• Use of tools for planning processes (new challenges require new methods)

Project management:

• Planning, design and setup of charging infrastructure for the e-bus fleet
• Securing necessary approvals
• Preparation, execution, monitoring and control of construction measures
• Communication and coordination of internal and external partners

„Intelligent networks“ and „Intelligent measuring systems (iMSys)" grid infrastructure solutions consulting, design and planning of „Intelligent networks (IoT):

• Maturity check Industry 4.0 and utility 4.0
• Smart planning, Smart Grid technologies, Smart Grid concepts, Smart City, Smart Building, Smart Energy, Smart Mobility, Smart Metering and Smart Security (firewalls)
• IoT cloud-based technologies
• Smart gateways / sensors / actuators
• Devices, meters, machines and systems
• Proof of concept (PoC)
• Topology and metering concepts
• Information and communication technologies (ICT)
• IoT platform / IT infrastructure and cyber security / firewalls

Consulting and “Smart Engineering”:

• Prototypes, test, pilot, pre-projects
• EEA analyses (connection assessments)
• Stress and load tests
• Simulation of scenarios and variants
• Evaluation of results

Network operation, network management and visualization:

• Network control of local substations and PV systems, and regulation of storage capacities

Control:

• Network control, control logic, load flow calculations, intelligent load and feed-in management, identification of bottlenecks and monitoring of limit violations
• Load and feed-in management, voltage, reactive and active power control as well as topology optimization

Intelligent network planning / simulations:

• Grid calculations, target network planning, grid expansion, integration of measurement results and analyses

Grid condition:

• Grid state estimation, determination of load levels, grid state forecasts and grid congestion forecasts
• Flexibility management (feed-in and storage management), control of charging power to avoid limit violations

Consulting, design & planning of data centers: grid connection technology, power requirements and sizing of “busbar systems” using planning tools for effective power distribution planning:

• Building analyses, assessment of electrical facilities and space requirements
• Clarification of grid connection technology (medium or low voltage network)
• Communication with the grid operator (connection process)
• Are modifications required?
• Design of electrical safety concepts
• Configuration of switchgear, sizing of cable cross-sections including busbar system and documentation (design and sketching of infrastructure)
• Material determination and cost calculations

Planning tools for efficient power distribution planning: The requirements for “electric mobility” are becoming more complex. Flexibility, scalability and cost efficiency should be considered during planning. → Integrated planning supports planning security and helps reduce costs.

• SIMARIS design: supports grid calculations and equipment sizing as well as short-circuit current calculations, load flow and power distribution, voltage drop and energy balance
• SIMARIS project: supports planning (configuration) of required switchgear, distribution boards, busbar systems and devices
• EPLAN Electric P8: supports creation (engineering) of schematics, wiring diagrams, control cabinets and cabinet construction including project documentation for renewable energy systems (building services)
• hagerCAD.basic / hagerCAD.expert: supports configuration of meter cabinets according to VDE-AR-N-4100, utility fields, distribution cabinets for “electric mobility” and control cabinets for “busbar systems” including material requirements and documentation
• hagercard.Calc: supports sizing of switchgear, control cabinets, meter cabinets and UPS cabinets. The grid calculation program supports short-circuit current calculations, load flows, voltage drop and reactive and active power as well as cable sizing, power balance and selectivity analysis. (HDG is technical partner of hager GmbH)
• CanBRASS: supports planning and design of “busbar systems”, determines space requirements and cabinet sizing as well as system planning including material requirements and cost calculations
• Caneco ONE: supports planning and design of power distribution networks (MV & LV) with grid calculations, cable cross-section sizing, creation of schematics and cost calculations as well as BIM for system construction (building services) (Building Information Modeling)

Grid calculations and simulations specifically for solutions in the field of “renewable energies”: A grid calculation or analysis is only as accurate as the available data (and models). Grid analysis tool for a holistic view:

• Simulation of grid connection variants
• Analysis of interactions
• Power specification with load profiles
• Simulation of steady-state behavior (e.g. voltage/current or speed/torque)
• Simulation of switching actions
• Simulation of load control / switching on and off

Grid calculation program:

• Load flow and load analyses (grid reserves)
• Short-circuit analyses (symmetric & asymmetric)
• Protection concept verification
• Connection verification of new installations (renewable systems)
• Simulation of grid feed-in impacts (flicker, harmonics, grid impedance and voltage drop)
• Grid compatibility analysis
• Simulation of limit violations (overload, power flows, grid congestions, reactive and active power)
• Guarantee / determination of voltage quality (DIN EN 50160)
• Cable cross-section calculation

HDG project service phase model (PV systems and AC charging stations): Phase 1 requirements gathering consulting (property management, tenants and owners):

• Gathering customer requirements
• Charging stations DC & AC solutions
• Charging technologies/systems
• Grid connection technologies
• Metering techniques and metering concepts
• Load management systems
• Billing systems
• Charging infrastructures – cable routes – busbar systems
• Charging infrastructure planning underground parking & parking spaces pre-installation?
• Discussion of solution variants advantages/disadvantages
• Current funding programs
• Rough cost estimate
• Rough schedule

Phase 2 feasibility analysis feasibility check on-site appointment:

• Site determination (building inspection)
• Condition assessment of electrical facilities
• Grid type
• System inspection
• Grid connection tec