Dipl. - Eng. in Electrical Engineering

Introduction / Business Model:

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

Services Offered:

• Consulting, design, planning and grid construction of infrastructure solutions
• Grid infrastructure analyses
• IoT solutions and “Intelligent Grids” (Smart Grid technology, Smart Grid concepts, grid architectures and Smart Grid systems)

Customized Charging Infrastructures for Electromobility:

• Independent engineering office for consulting, planning, design and grid construction of electrical networks for electromobility
• Feasibility analyses and studies
• Connection tests and checks
• LIS planning based on structural, technical, electrical, economic and legal requirements and connection techniques (approval required) (conversion, (power) modifications, replacement or new build of the customer installation)
• Development of solution variants and economic evaluations
• Holistic view of complex projects
• Intelligent complete solutions (distribution grids) for electromobility – integration of charging stations, PV systems and storage – according to current technical connection rules (TAR xxx and FNN guidelines), technical connection conditions (TAB xx) and standards and laws in low (VDE-AR-N 4105) and medium voltage (VDE-AR-N 4110)

IB HDG Service Offerings: Plan projects successfully, transparently and economically with planning tools!

• Multi-family homes 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 (public and semi-public sector)

Holistic project review based on recognized engineering and safety standards:

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

Consulting, Feasibility Analysis and Review:

• Initial discussions (structural, technical, electrical & legal)
• Recording client requirements
• Defining requirements
• Creating LIS concept with the client
• Demand analysis / EV forecast
• Economic evaluations
• Preparing service descriptions
• Presentation of cable systems
• Creating technical checklists
• Product advice 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 review of building and underground car park)
• Installation and connection check (electrical & spatial)
• Demand and consumption analyses
• Potential analyses & load calculations
• Development of metering and billing concept
• Analysis of existing power grid
• Potential analysis / identifying possible load reserves
• Is a power increase possible?
• Expansion scenarios and interim solutions if needed
• Creating a calculated power balance
• Load profile measurement?
• Obtaining quotes and comparing offers

Electromobility Charging Infrastructure Planning:

• BTB / Site inspection (on-site)
• Recording object data for LIS planning
• Conventional cable system or busbar system
• Cable cross-section determination according to DIN VDE 0298-4
• Designing, engineering and sketching a charging infrastructure
• Developing a scalable infrastructure
• Creating solution variants
• Determining material and service requirements
• Object and condition assessment
• Final report with site inspection protocol, photos and documentation
• Rough and detailed offer including preliminary schedule

Technical Connection Process (Connection Rules) according to VDE-AR-N 4105 (Low Voltage): Points to clarify between grid operator and applicant (grid connection planning)

• Connection technology according to TAR-Strom and TAB 2019/2023
• Conversion, extensions, dismantling, modifications or modernization of customer installations
• Change of use and/or power increase?
• Replacement or new build?
• Metering concept and arrangement of metering equipment
• Space conditions in LV/HV room
• Changes to protection concept and connection capacity
• Structural requirements for a second grid connection

Technical Project Management, Project Communication with Local Grid Operators and Authorities, Project Support and/or Conversion Planning:

• Planning, implementation and grid construction of AC and DC charging structures
• Preparation, execution, monitoring and control of construction measures
• Coordination of various trades in daily operations regarding schedule, quality and budget targets
• Communication with all internal and external stakeholders in the project environment
• Experience with technical projects in electromobility
• Adherence to and monitoring of construction progress
• Coordination with grid operators to ensure timely connection technology for charging stations (grid connection activities)
• Securing necessary permits (authorities & DSO)
• Conducting certifications of electrical products/installations
• Coordination, alignment & planning of certification activities

Electromobility Professional and Efficient Planning with Tools:

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

Building services requirements are becoming more complex. From the planning stage, flexibility, scalability and economy should be considered. Integrated planning ensures planning security and helps reduce costs.

Technical Connection Process (Connection Rules) according to VDE-AR-N 4110 (Medium Voltage): Points to clarify between grid operator and applicant (grid connection planning)

• Connection power for consumption and feed-in
• Voltage level and point of connection
• Location of the transfer station and line routes
• Connection type (e.g. cable or overhead line)
• Construction of the medium-voltage system
• Required remote control/monitoring
• Metering concept and arrangement of metering equipment
• Ownership, operation, disposal and control boundaries
• (Certification of the new customer installation)

Technical Project Management Medium and Low Voltage Level Earthworks/Earth Cables and Overhead Lines for Renewable Energy Installations:

• Analysis of technical conditions regarding feasibility
• Identification of suitable locations (structural and electrical)
• Obtaining building permits including coordination with construction teams
• Building a requirement-compliant charging infrastructure (DC, AC and PV systems)
• Planning, implementation and grid construction of AC/DC charging infrastructures & PV systems
• Preparation, execution, monitoring and control of construction measures
• Coordination of various trades in daily operations regarding schedule, quality and budget targets
• Communication with all internal and external teams involved in the project environment
• Experience with technical projects
• Adherence to and monitoring of construction development (construction plan / civil engineering / locations)
• Preparing progress reports, schedules and reporting
• Quality control, site acceptance and handover to operations team

Experience working with grid operators and authorities:

• Coordination of all grid connection activities with grid operators to ensure timely connection technology for charging stations
• Securing necessary permits (authorities & DSO)
• Conducting certifications of electrical installations (customer installations)
• Coordination, alignment & planning of certification activities

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

• Data recording / status assessment (e.g. operational data)
• Recording operational situation (what adjustments are needed?)
• Capturing technical framework (structural, technical and electrical)
• Analysis of technical conditions (possible bus depot conversion, modernization and integration of charging points in the operating area)
• Technical feasibility review (are operational adjustments needed?)
• Determining vehicle requirements (by range, operating times & parking space/parking times)
• Electrification (depot charging facilities and/or along routes) depot charging points in the operating area
• Developing operating models
• Creating concept variants (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)
• Using tools for planning processes (new challenges require new methods)

Project Management:

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

“IoT Grids” and “Intelligent Metering Systems (iMSys)” Grid Infrastructure Solutions Consulting, Design and Planning of IoT “Intelligent Grids”:

• Industry 4.0 and Municipal Utility 4.0 maturity check
• 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 installations
• Proof of Concept (PoC)
• Topology and metering concepts
• Information and communication technologies (ICT)
• IoT platform / IT infrastructure and cybersecurity / firewalls

Consulting and “Smart Engineering”:

• Prototypes, test, pilot, preliminary projects
• EEA analyses (connection assessments)
• Stress and load tests
• Scenario and variant simulations
• Evaluation of results

Grid Operation, Grid Management and Visualization:

• Grid control of local transformer stations and PV systems, and regulation of storage capacities

Control:

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

Intelligent Grid Planning / Simulations:

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

Grid Condition:

• Grid state estimation, load level determination, grid condition forecasts and grid bottleneck forecasts
• Flexibility management (feed-in and storage management), controlling charging power to avoid limit violations

Consulting, Design & Planning of Data Centers: Connection Technology, Load Requirements and Sizing of “Busbar Systems” Using planning tools for effective power distribution planning:

• Building analyses, evaluation of electrical facilities and space requirements
• Clarifying connection technology (medium or low-voltage network)
• Communication with grid operator (connection process)
• Are modifications needed?
• Designing electrical safety concepts
• Configuring switchgear, sizing cable cross-sections including busbar systems and documentation (design and sketching of infrastructure)
• Material determinations and cost calculations

Planning Tools for Efficient Power Distribution Planning: Electromobility requirements are increasingly complex. From the planning stage, flexibility, scalability and economy should be considered. → Integrated planning ensures planning security and helps reduce costs.

• SIMARIS design: supports network calculations and equipment sizing, short-circuit current calculations, load flow and power distribution, voltage drop and energy balance
• SIMARIS project: supports planning (configuration) of required switchgear, installation distributors, busbar systems and devices
• EPLAN Electric P8: supports creation (engineering) of circuit and wiring diagrams, control cabinets and cabinet building 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 company panels, distribution cabinets for electromobility and control cabinets for busbar systems including material requirements and documentation
• hagercard.Calc: supports sizing of switchgear, control cabinets, meter cabinets and distribution cabinets. The network calculation program supports short-circuit current calculations, load flows, voltage drops and reactive/active power, as well as cable sizing, power balance and selectivity analysis. (IB 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 network calculations, cable cross-section sizing, schematic creation and cost calculations as well as BIM for plant construction (building services) (Building Information Modeling)

Network Calculations and Simulations Specifically for Renewable Energy Solutions: A network calculation or analysis is only as accurate as the available data (and models). Network analysis tool for holistic review:

• Simulation of connection variants
• Interaction analysis
• 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 / on/off switching

Network Calculation Program:

• Load flow and load analyses (network reserves)
• Short-circuit analyses (symmetrical & asymmetrical)
• Protection concept review
• Connection testing of new installations (renewable energy systems)
• Simulation of grid feedback (flicker, harmonics, grid impedance and voltage drop)
• Grid compatibility analysis
• Simulation of limit violations (overload, power flows, grid bottlenecks, reactive and active power)
• Ensuring / determining voltage quality (DIN EN 50160)
• Cable cross-section calculations

IB HDG Project Service Phase Model (PV Systems and AC Charging Stations): Phase 1 Requirements Gathering Consulting (property management, tenants and owners):

• Recording client requirements
• DC & AC charging solutions
• Charging techniques/systems
• Connection techniques
• Metering techniques and concepts
• Load management systems
• Billing systems
• Charging infrastructures - cable routes - busbar systems
• Charging infrastructure planning for underground parking & parking spaces pre-installation?
• Discuss solution variants advantages / disadvantages
• Current funding programs
• Rough cost estimation
• Preliminary schedule

Phase 2 Feasibility Analysis / Check On-Site Appointment:

• Location determination (building inspection)
• Condition assessment of electrical facilities
• Network type
• Equipment inspection
• Connection technique