This document discusses enabling local market technologies like vehicle-to-grid (V2G), battery-to-grid (B2G) and intelligent distributed power router (IDPR). It introduces these concepts and outlines the factors, functions and features relevant to implementing V2G, B2G and IDPR technologies. It also describes potential business opportunities for electric vehicle supply equipment and provides details on the components and operation of power units needed to implement V2G, B2G and IDPR systems.
Delivering distribution intelligence with MV/LV supervision and controlLandis+Gyr
Increasing power grid visualization, improving fault restoration and mitigating the impact of growing amounts of renewables on power quality are just some of the challenges utilities are looking to resolve when dealing with ageing infrastructure and costs associated with smart grids.
Landis+Gyr uses world-leading technology to deliver distribution intelligence that will help utilities reap the benefits of their smart grid investments.
About Landis+Gyr's MV/LV Monitoring & Control solutions
Landis+Gyr’s MV/LV Monitoring & Control solutions merge existing and new power infrastructure into the existing SCADA and new IT systems of the power distribution companies. Some key features and benefits include automation and software controls that can locate, isolate and restore faults to reduce Customer Minutes Lost, by lowering System Average Interruption Duration Index (SAIDI) and System Average Interruption Frequency Index (SAIFI).
CityHub is a multi-functional green energy charging station that provides economic, social and environmental benefits for future sustainable cities. Development of new infrastructure is a prerequisite for implementation of smart city initiatives. CityHub offers illumination of advertising panels through utilization of renewable energy that offsets electricity bills and generates faster ROI.
pathway 05: Open standards and interoperability- creating a new picture of th...Landis+Gyr
In this issue of «pathway»:
+we will explore how open standards and interoperability enable utilities to manage the risks inherent in high volume deployments of smart metering technologies,
+IDIS (Interoperable Device Interface Specification) Association approach to interoperability,
+how Landis+Gyr and other market players commit themselves to the implementation of open standards into interoperable future-proof solutions.
Streetlight poles and luminaires are ideal hosts for connecting sensors. They provide fine-grained information about the urban environment, and are used to provide adaptive lighting but also feed into many municipal systems and departments. Examples include minute-by-minute traffic analytics or street-by-street air quality monitoring.
But if street lighting is to become the catalyst for “smart city” applications, lighting professionals need to understand when to harness sensor data, and when to consider application data or predictive “big data”. The world is changing and we need to take a wider view. Keith will focus on deployed use cases to help to make sense of the practical and economic implications of these important developments.
Talk by Keith Henry AMILP, Telensa
Closing the gap between smart metering and distribution automation with trans...Landis+Gyr
- Real-time metering to improve transparency to medium and low voltage networks
- Utilizing metered quality data for network maintenance and investment planning
- Value of reference metering: identify and minimize technical and non-technical losses
Addressing utility challenges with MV/LV Monitoring and Control SolutionLandis+Gyr
Introducing grid digitalization solutions
Designed to retrofit and digitalize your existing power distribution infrastructure in a cost-effective way, the modular MV/LV Monitoring and Control Solution enables your utility to improve business operations, network efficiency and quality of service.
The solution is realized through retrofitting sensors onto the existing medium and low voltage power cables, transformers and switch gear, and through the integration of already installed electric devices located at the substation level.
Delivering distribution intelligence with MV/LV supervision and controlLandis+Gyr
Increasing power grid visualization, improving fault restoration and mitigating the impact of growing amounts of renewables on power quality are just some of the challenges utilities are looking to resolve when dealing with ageing infrastructure and costs associated with smart grids.
Landis+Gyr uses world-leading technology to deliver distribution intelligence that will help utilities reap the benefits of their smart grid investments.
About Landis+Gyr's MV/LV Monitoring & Control solutions
Landis+Gyr’s MV/LV Monitoring & Control solutions merge existing and new power infrastructure into the existing SCADA and new IT systems of the power distribution companies. Some key features and benefits include automation and software controls that can locate, isolate and restore faults to reduce Customer Minutes Lost, by lowering System Average Interruption Duration Index (SAIDI) and System Average Interruption Frequency Index (SAIFI).
CityHub is a multi-functional green energy charging station that provides economic, social and environmental benefits for future sustainable cities. Development of new infrastructure is a prerequisite for implementation of smart city initiatives. CityHub offers illumination of advertising panels through utilization of renewable energy that offsets electricity bills and generates faster ROI.
pathway 05: Open standards and interoperability- creating a new picture of th...Landis+Gyr
In this issue of «pathway»:
+we will explore how open standards and interoperability enable utilities to manage the risks inherent in high volume deployments of smart metering technologies,
+IDIS (Interoperable Device Interface Specification) Association approach to interoperability,
+how Landis+Gyr and other market players commit themselves to the implementation of open standards into interoperable future-proof solutions.
Streetlight poles and luminaires are ideal hosts for connecting sensors. They provide fine-grained information about the urban environment, and are used to provide adaptive lighting but also feed into many municipal systems and departments. Examples include minute-by-minute traffic analytics or street-by-street air quality monitoring.
But if street lighting is to become the catalyst for “smart city” applications, lighting professionals need to understand when to harness sensor data, and when to consider application data or predictive “big data”. The world is changing and we need to take a wider view. Keith will focus on deployed use cases to help to make sense of the practical and economic implications of these important developments.
Talk by Keith Henry AMILP, Telensa
Closing the gap between smart metering and distribution automation with trans...Landis+Gyr
- Real-time metering to improve transparency to medium and low voltage networks
- Utilizing metered quality data for network maintenance and investment planning
- Value of reference metering: identify and minimize technical and non-technical losses
Addressing utility challenges with MV/LV Monitoring and Control SolutionLandis+Gyr
Introducing grid digitalization solutions
Designed to retrofit and digitalize your existing power distribution infrastructure in a cost-effective way, the modular MV/LV Monitoring and Control Solution enables your utility to improve business operations, network efficiency and quality of service.
The solution is realized through retrofitting sensors onto the existing medium and low voltage power cables, transformers and switch gear, and through the integration of already installed electric devices located at the substation level.
Smart metering – the stepping stone to a smart gridLandis+Gyr
The future of the energy industry can be seen from many different angles: for the fourth issue of pathway, we decided to look through the lenses of British photojournalist Toby Smith. He battled tough conditions in the Scottish Highlands to bring back some powerful pictures that will change your perception of power generation. Additionally, we share our insights on the key strategic decisions utilities need to take when choosing the right kind of smart metering solution. http://bit.ly/1cEAHrH
Ubitricity founder Knut Hechtfischer will describe a unique and innovative solution developed for residential on-street electric vehicle charging. This solution transforms the common street light into an instantly available electric vehicle charging point for those with on-street parking. At a time when electric vehicle adoption is increasing across the country, it is widely recognised that not everyone has access to a garage or even a driveway. This issue is particularly prevalent in major cities such as London, Glasgow, Edinburgh, etc. Street lighting however is available throughout most urban residential areas, offering a potential solution. In addition, columns fitted with charging points could also offer potential future revenue streams to cash strapped councils and can also tie in with future smart city initiatives.
Talk by Knut Hechtfischer MBA, Ubitricity
Automated Network Management Solution enables your utility to increase the level of power grid automation for better quality of supply and asset optimization.
Based on field proven, commercially available technologies it has recently been validated by an independent smart grid research centre Tecnalia.
Professional management of street lighting control systems is the first step towards Smarter Cities and reducing energy consumption. A standardized management interface for street lighting networks, luminaire controllers and other smart city applications enables interoperability and futureproofs the systems.
Today cities face many challenges on the way to become smart cities, including to make sure that they decide for state-of-the-art technology when developing a large variety of public services ranging from outdoor lighting over parking and waste management to E-Mobility and many other applications. Most of these services are long-term investments and will be in use for decades. Besides trying to foster competition and negotiate the best pricing, public purchasers prefer to invest in open systems to guarantee continued access to future-proof solutions and to avoid vendor lock-in. Leading cities are increasingly looking to select interoperable solutions across their systems.
Founded in 2012, the TALQ Consortium is establishing a globally accepted standard for management software interfaces to control and monitor heterogeneous outdoor lighting networks. The new TALQ interface is a specification for information exchange, suitable for implementation in various products and systems. This way interoperability between Central Management Systems (CMS) and Outdoor Lighting Networks (OLN) from different vendors will be enabled, such that a single CMS can control different OLNs in different parts of a city or region. In 2016 TALQ decided to open up its scope to standardizing interfaces for wider smart city applications.
Major Outcomes:
- Potential of intelligent outdoor lighting and smart city solutions for the environment and society
- How to increase flexibility while decreasing operational costs
- Why smart cities have more transparency
- The benefits of an industry standard for industry and municipalities/customers
Talk by Brian McGuigan, TALQ Consortium
EUW 2014: Smart Gas meter deployment and Customer Value in the NetherlandsGerrit Rentier
Smart Gas Meters can enable consumers to save energy and money. If we pay attention to customer interaction this customer value can be greatly enhanced. Presentation held at European Utility Week 2014 in Amsterdam
Smart metering – the stepping stone to a smart gridLandis+Gyr
The future of the energy industry can be seen from many different angles: for the fourth issue of pathway, we decided to look through the lenses of British photojournalist Toby Smith. He battled tough conditions in the Scottish Highlands to bring back some powerful pictures that will change your perception of power generation. Additionally, we share our insights on the key strategic decisions utilities need to take when choosing the right kind of smart metering solution. http://bit.ly/1cEAHrH
Ubitricity founder Knut Hechtfischer will describe a unique and innovative solution developed for residential on-street electric vehicle charging. This solution transforms the common street light into an instantly available electric vehicle charging point for those with on-street parking. At a time when electric vehicle adoption is increasing across the country, it is widely recognised that not everyone has access to a garage or even a driveway. This issue is particularly prevalent in major cities such as London, Glasgow, Edinburgh, etc. Street lighting however is available throughout most urban residential areas, offering a potential solution. In addition, columns fitted with charging points could also offer potential future revenue streams to cash strapped councils and can also tie in with future smart city initiatives.
Talk by Knut Hechtfischer MBA, Ubitricity
Automated Network Management Solution enables your utility to increase the level of power grid automation for better quality of supply and asset optimization.
Based on field proven, commercially available technologies it has recently been validated by an independent smart grid research centre Tecnalia.
Professional management of street lighting control systems is the first step towards Smarter Cities and reducing energy consumption. A standardized management interface for street lighting networks, luminaire controllers and other smart city applications enables interoperability and futureproofs the systems.
Today cities face many challenges on the way to become smart cities, including to make sure that they decide for state-of-the-art technology when developing a large variety of public services ranging from outdoor lighting over parking and waste management to E-Mobility and many other applications. Most of these services are long-term investments and will be in use for decades. Besides trying to foster competition and negotiate the best pricing, public purchasers prefer to invest in open systems to guarantee continued access to future-proof solutions and to avoid vendor lock-in. Leading cities are increasingly looking to select interoperable solutions across their systems.
Founded in 2012, the TALQ Consortium is establishing a globally accepted standard for management software interfaces to control and monitor heterogeneous outdoor lighting networks. The new TALQ interface is a specification for information exchange, suitable for implementation in various products and systems. This way interoperability between Central Management Systems (CMS) and Outdoor Lighting Networks (OLN) from different vendors will be enabled, such that a single CMS can control different OLNs in different parts of a city or region. In 2016 TALQ decided to open up its scope to standardizing interfaces for wider smart city applications.
Major Outcomes:
- Potential of intelligent outdoor lighting and smart city solutions for the environment and society
- How to increase flexibility while decreasing operational costs
- Why smart cities have more transparency
- The benefits of an industry standard for industry and municipalities/customers
Talk by Brian McGuigan, TALQ Consortium
EUW 2014: Smart Gas meter deployment and Customer Value in the NetherlandsGerrit Rentier
Smart Gas Meters can enable consumers to save energy and money. If we pay attention to customer interaction this customer value can be greatly enhanced. Presentation held at European Utility Week 2014 in Amsterdam
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
Contact with Dawood Bhai Just call on +92322-6382012 and we'll help you. We'll solve all your problems within 12 to 24 hours and with 101% guarantee and with astrology systematic. If you want to take any personal or professional advice then also you can call us on +92322-6382012 , ONLINE LOVE PROBLEM & Other all types of Daily Life Problem's.Then CALL or WHATSAPP us on +92322-6382012 and Get all these problems solutions here by Amil Baba DAWOOD BANGALI
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CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
2. 2
Agenda
• Introduction: Electrification of road transport framework
• The 3-F for V2X (Factors- Functions- Features)
• Business opportunities for EVSE
• Products to achieve V2G or B2G
o V2G Power unit
o IDPR Power unit
3. Environmental issues
Energies for transportation
3
EV
Governments
Industries
Grid owner/operators
Customers
Oil demands
Gas emissions
Increasingconcerns
EV
EV
EV
EV
EV
EV
EV
EV
EV penetration
Introduction: Electrification of road transport framework
[Source:https://www.iea.org/publications/freepublications/publication/Global_EV_
Outlook_2016.pdf]
PEV
HEV
PHEV
Wh
W
Other uses
4. 4
Emerging technologies & new challenges
V2H
V2V
V2G
Power Electronics is key for
performing electric energy
conversion
SLB V2M
Storage systems
Power
Electronics
New business models
Ancillaries
Gridable EVs
(V2X)
• Driver range anxiety
• Battery degradation
• Ownership
• Revenues
• Regulations
• New actors: prosumer
Introduction: Electrification of road transport framework
V2V
5. 5
Vehicletohome(V2H)ortomicrogrid(V2M)
Individual daily load profiles (high
uncertainty)
Seasonality (V2M case)
Battery type and characteristics
SoC
Driver habits (arrival/departure,
patterns)
Electricity cost
Factors Functions
Home back-up system
Controllable load
Sell excess of energy
Charge at low (or null) cost
Home energy quality
Features
Easy to install
High compacity
Low power (< 10 kVA)
The 3-F for V2X (Factors- Functions- Features)
6. 6
OCPP
protocol
Power flow of the power grid
Regulation of the grid operations
Aggregators? / EV per aggregator?
Battery type and characteristics
SoC
Driver habits (only for V2G)
Electricity cost
Factors Functions
Ancillary services (V/f regulation)
Interoperability (renewable coordination,
controllable load)
Reactive power dispatching
Peak shaving, valley filling, active filtering
Grid-support (spinning reserve)
Features
Operation in large scale (aggregation)
Complex control
More infrastructure
OCPP
protocol
Vehicletogrid(V2G)orbatterytogrid(B2G)
The 3-F for V2X (Factors- Functions- Features)
7. Power flow of the power grid
Community daily load profiles (medium
uncertainty)
Battery type and characteristics
SoC
Driver habits (reduced effect)
Involvement of two or more EVs
(allotted to a community)
Electricity cost
7
Factors Functions
Trading loss
Energy routing and sparse dispatching
Better TOU
Special functions (On-road assistance)
Features
Complex coordination and managing (FCFS, smart approaches,…)
More infrastructure (similar to V2G case)
High power involvement
Aggregator
(parking lot)
Aggregator
(parking lot)
OCPP
protocol
OCPP
protocol
Vehicletovehicle(V2V)
The 3-F for V2X (Factors- Functions- Features)
8. 8
LowscaleMidandlargepower-scale
Non-gridowner
Grid
owner
Non-gridoperatorGridoperator
For non-market participants (utilities)
For prosumers + Non-market participants
(aggregator figure)
Services for domestic prosumers
Scalable, owned and operated by diverse agents for different applications
For market participants (charging stations,
energy intensive installations, generators)
SELF-CONSUMPTION
PRIVATE BUSINESSES
COMMUNITY MARKETS
DSO’S ANCILLARIES
Opportunity EVSE
Primary dedicated EVSE
Commercial EVSE
Managing EVSE
Business opportunities for EV Supply Elements (EVSE)
10. Requeriments for enabling V2G
10
DCACLV utility
DATA
AC DC
DATA
BMS
ECU
Battery packPower
Electronics
OFF-BOARD
ON-BOARD
Control
board
Products to achieve V2G or B2G
12. Pave the way for successful V2G/B2G technology deployment
12
Providing a complete technical
solution for V2G operation of EVSE
Reducing cost of the equipment
thanks to an specific design for V2G
purpose
Decreasing the delivery time due to
integration of functionalities in a
single device
V2G
Power
Unit
EV
150..500 Vdc
36 A
CHAdeMO
COMBO
V2G
Power
Unit
Public grid
400V
3F+N+PE
50/60 Hz
16 A
V2G
Power
Unit
LFtransformer
(optional)
V2G
Power
Unit
V2G
Power
Unit
12 V
supply
Modbus
Serial/CAN
OCPP
protocol
V2G
Power
Unit
3G
modem
Embedded PC
HMI
V2G
Power
Unit
LFtransformer
(optional)
Modbus
Serial/CAN
OCPP
protocol
Public gridEV
150..500 Vdc
36 A
CHAdeMO
COMBO
400V
3F+N+PE
50/60 Hz
16 A
HMI
Cabinet
V2G
Power
Unit
12 V
supply
Cooling
3G
modem
Embedded PC
Concept
Products to achieve V2G or B2G: V2G Power unit
13. What inside?
13
Full PCB design for easy integration
AC to DC bidirectional power converter
AC and DC output filter (inductors/capacitors)
AC and DC switchgear (precharge, main relays)
AC and DC Fuse protection
Required I/O and communication for CHAdeMO
interface
Isolation detector for test implementation
RS-485 physical layer for Modbus protocol
Products to achieve V2G or B2G: V2G Power unit
14. Technical features
14
Rated power 10 kVA
AC interface
3F + N + PE , TT or TN grounding
system
AC rated voltage 400 V
AC rated frequency 50/60 Hz
AC rated current 16 A
DC rated current 36 A
DC voltage range 50..600 V (according to SOA)
Estimated efficiency 500 V,
20 A (dis)charge, 25 ºC
94 %
Maximum ambient
temperature
50 ºC
Cooling Fan
Sound emission 60 dB
Reactive power capability
Included, limiting current to rated
value
EV interface
CHAdeMO (Physical, link and
application layer included)
Master subsystem interface Modbus serial profile or CAN
Dimensions 566 x 126 x 360 mm
Products to achieve V2G or B2G: V2G Power unit
15. 15
CHANNEL 1 (Yellow) --> Battery voltage
CHANNEL 2 (Green) --> Grid line current W
CHANNEL 3 (Lilac) --> Grid line current V
CHANNEL 5 (Red) --> Grid line current U
CHANNEL 4 (Blue) --> Battery current
Products to achieve V2G or B2G: V2G Power unit
Operationusecase:G2Vunderloadchange
(Operation under different discharging set-points)
16. What is an IDPR?
16
Transformer
S1
MV grid
S0
Loads, DG
LV busbar
Secondary
substation
IDPR
Grid-connected mode
4 quadrant P/Q dispatching
Grid side current balancing
Current harmonic content
compensation
Grid-disconnected mode
Generation of a controllable
voltage per phase
Over-load and short-circuit
proof algorithm
The storage system
Active Power regulation in grid-
connected mode
Permits operation in grid-
disconnected mode
It is a four-wire parallel active filter enhanced with distributed intelligence.
The aim is to optimize the use of DERs in any operation mode
Route the energy according to the needs of unbalanced grids
Improve quality of service (in terms of continuity of supply and quality of waveforms)
Products to achieve V2G or B2G: IDPR Power unit
17. 17
Full PCB design for easy integration
Full SiC power converter (no switching noise, high efficiency)
Master & slave control boards
AC to DC bidirectional power converter
AC DC output filter (inductors/capacitors)
AC and DC switchgear (precharge, main relays)
Required I/O and communication external interfacing
Modular design
+ +
What inside?
Products to achieve V2G or B2G: IDPR Power unit
18. 18
Rated power 20 kVA
AC interface
3F + N + PE , TT or TN
grounding system
AC rated voltage 400 V
AC rated frequency 50/60 Hz
AC-DC rated current 25A
DC voltage range
320..600 V (optimal
range)
Estimated efficiency 500 V, 25
A charge, 25 ºC
98 %
Maximum ambient
temperature
40 ºC
Cooling Fan
Sound emission 60 dB
Reactive power capability
Included, limiting
current to rated value
Master subsystem interface CAN, Modbus
Dimensions
440 x 88.9 x 210 mm
per cell
Up to 5 cells can be paralleled
100 kVA
Technical features
Products to achieve V2G or B2G: IDPR Power unit
power cell(n-1)power cell (n)
gridbattery
dc/dc dc/ac
Master
measurements
Switch
power cell (2) power cell(1)
ethernet
19. 19
Igr
Igs
igt
Ilr
Ils
Ilt
IctIcsicr
IDPR
Grid-connected
The master reads the load current.
It calculates the direct, inverse and zero sequence
current components (Fortescue transformation).
To compensate de unbalance, the IDPR injects
the inverse and zero sequence of the load.
To compensate de reactive, the IDPR injects the
quadrature (dq0 transformation) component of
the direct sequence.
Products to achieve V2G or B2G: IDPR Power unit
Reactive power compensation
Before IDPR
After IDPR
Green --> Grid voltage phase U
Blue --> Grid line current U
Magenta --> Grid line current V
Black --> Grid line current W
20. 20
Igr
Igs
igt
Ilr
Ils
Ilt
IctIcsicr
IDPR
The master reads the load current.
It calculates the direct, inverse and zero sequence
current components (Fortescue transformation).
To compensate de unbalance, the IDPR injects
the inverse and zero sequence of the load.
To compensate de reactive, the IDPR injects the
quadrature (dq0 transformation) component of
the direct sequence.
Grid-connected
Current balancing
Products to achieve V2G or B2G: IDPR Power unit
Green --> Grid voltage phase U
Blue --> Grid line current U
Magenta --> Grid line current V
Black --> Grid line current W
Before IDPR
After IDPR
21. 21
The master reads the load current and calculates de
odd harmonics up to the 15th component.
The master establish as set-point the sum of the
harmonics components from the 3rd to the 15th.
The harmonic compensation set-point is calculated
at a 10 kHz frequency. It limits the THD
compensation.
At this frequency, the THD reduction can be more
than 30 times when some predictive control lead
phases are considered.
THD: 0.87 %
THD: 61.1 %
THD: 0.91%
Ig Il
Ic
idpr
R1
R2
C
Grid-connected
Products to achieve V2G or B2G: IDPR Power unit
Harmonic content compensation
Green --> Load line current phase U
Dark blue --> IDPR line current phase U
Red --> Grid line current phase U
22. 22
In case of a grid fault event, the DSO is able to
use the IDPR to generate a island to feed the
local loads.
The IDPR can generate an stable AC voltage at
the PCC (Point of Common Coupling) while
feeding any kind of load (in this case Linear
loads).
idpr
Icr
Island mode
Vr
pcc
/Vs
pcc
/Vt
pcc
PCC
Ics
Ict
R1
Products to achieve V2G or B2G: IDPR Power unit
Grid-disconnected
Load transient
Blue --> Grid line current U
Magenta --> Grid line current V
Black --> Grid line current W
Green --> Grid voltage phase U
Dark blue --> Grid voltage phase V
Red --> Grid voltage phase W
23. 23
In case of a grid fault event, the DSO is able to
use the IDPR to generate a island to feed the
local loads.
The IDPR can generate an stable AC voltage at
the PCC (Point of Common Coupling) while
feeding any kind of load (in this case over-load
response fixing the rms limit of the current at 42
A).
idpr
Icr
Island mode
Vr
pcc
/Vs
pcc
/Vt
pcc
PCC
Ics
Ict
R1
Grid-disconnected
Over-load regulation
Products to achieve V2G or B2G: IDPR Power unit
Blue --> Grid line current U
Magenta --> Grid line current V
Black --> Grid line current W
Green --> Grid voltage phase U
Dark blue --> Grid voltage phase V
Red --> Grid voltage phase W
24. 24
Products to achieve V2G or B2G: IDPR Power unit
Operationusecase:Gridconnected
(Balancing currents, reactive power and harmonic content compensation )
CHANNEL 1 (Yellow) --> Null
CHANNEL 2 (Green) --> Grid line current U
CHANNEL 3 (Lilac) --> Grid line current V
CHANNEL 4 (Blue) --> Grid line current W
25. 25
Example of a real use case of IDPR power units in a 3 pilot areas for Smart Rural Grid
project(FP7-ICT-2013-11)
Products to achieve V2G or B2G: Cases of success
20 kVA bidirectional battery charger based on IDPR power units for Formula Student (ETSEIB &
EUETIB Motorsport). Lithium ion battery integration, cells balancing, pack design verification.
34 kVA 40 kVA17 kVA