tag:blogger.com,1999:blog-73108453833823672162024-03-17T08:20:49.459+01:00E-Mobility Simplified | Basics of Electric Vehicles and ChargingComprehensive knowledge base for technologies around electric vehicles, EV charging & grid infrastructures.Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.comBlogger132125tag:blogger.com,1999:blog-7310845383382367216.post-67417080899116861872024-01-27T11:50:00.001+01:002024-03-14T12:00:14.119+01:00Basics of Total Harmonics Distortion (THD) in EV fast chargers | What causes THD & How to mitigateTotal Harmonics Distortion (THD) is one of the least discussed items in the eMobility world but is super crucial for EV charging operations and the electrical grid. This article may give an overview of what is THD, what the acceptable THD levels are in EV chargers, how it impacts EV drivers/ EV charging station operators (CPO), and electrical grids, and importantly how to deal with this Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-10515923120329771782024-01-18T16:56:00.005+01:002024-01-22T10:45:11.070+01:00What is in-vehicle data and why does it matter more for EVs? | Telematics data use cases for EV Charging In-vehicle data is one of the most discussed/terms in the field of electric mobility. What is it? What kind of data are they? Why is everyone interested in it? This article may help to scratch the surface a bit.What is in-vehicle data and why does it matter?Modern vehicles are not just mechanical wagons, they’re massive data centers on wheels. These vehicles are equipped with a range of Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-39906240037191313882023-11-12T10:10:00.002+01:002023-11-15T20:26:13.915+01:00What to measure? | Important KPI for CPO , EMSP & EV Charger manufacturers You can’t improve what you don’t measure” once said a wise man! So, which KPIs should an EV charger business monitor, whether it is a maker, network, or operator (CPO)? Here are some key performance indicators for a few functional categories:📈 Product (reliability & availability): 🔺 Charging station uptime, which tracks the percentage of time stations are operational and Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-54901324394948043802023-11-10T19:54:00.000+01:002023-12-08T10:56:01.570+01:00Why is Autocharge not popular? | Security issues of EV charging authorization mechanismAutocharge - a mechanism to authorize electrical vehicle for charging based on a vehicle identifier brings an excellent user experience - pretty much same as ISO 15118. For an EV driver it would be as simple as plugging in his/her car to charger and let charger to do authorization automatically to allow (or not) for charging to start. [Read this article to know the working principles of Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-49336004646867668202023-09-13T20:52:00.002+02:002023-09-15T16:17:33.604+02:00Move from electricity supply following demand to where demand follows supplyWe're moving from a world where electricity supply follows demand to one where demand follows supply. By shifting and shaping demand, we can make the most of renewables and help make the grid more efficient, cheaper and cleaner. But it's not always easy to plan. We can all read clocks - but can we read grids?Yesterday, two announcements from major companies put the spotlight on the mainstreaming Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-45594844101541122022023-09-13T20:38:00.002+02:002023-09-15T16:11:27.339+02:00Next 7 years will be “Watershed years” for VPP deploymentsIn an increasingly complex and intermittent electric grid with high penetration of distributed energy resources (DERs), VPPs will help manage 10 to 20% of the US peak demand by 2030. Also remember that Peak Demand is often the most expensive and we rely heavily on fossil-based generation. If we need to have a meaningful impact on the climate, we have to accelerate the adoption of VPPs in Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-85598264842019502522023-05-16T15:25:00.001+02:002023-09-15T16:18:21.611+02:00Answer to everything in the future grid is Flexibility Services - What role can V2G play?In the educational posts series on grid balancing services in the Nordic Synchronous Area, here is the last article deals with FFR – Fast Frequency Regulation. It poses the question: Could it be a "V2G service"?Below are the links to previous articles in this series:1. Frequency Controlled Disturbance Reserves (FCR-D): The Dream V2G Service?2. V2G Electric Grid Services - Flexibility is "King"3. Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-37684188849148701672023-05-13T15:01:00.001+02:002023-05-16T15:10:35.055+02:00Frequency Containment Reserve for Normal Operation (FCR-N) - The "TOUGH" V2G ServicePrevious two articles in this series: Frequency Controlled Disturbance Reserves (FCR-D): The Dream V2G Service? and V2G Electric Grid Services - Flexibility is "King" dealt with “FCR-D services in the Nordic Synchronous Area. Now let’s take a closer look at FCR-N – Frequency-Controlled Normal Operation Reserve.The Nordic Synchronous Grid supports ~30 million customers in Eastern DenmarkPon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-63098575324461032023-05-12T14:16:00.007+02:002023-09-15T16:18:39.960+02:00V2G Electric Grid Services - Flexibility is "King"If you have not read yet, please start with the previous post that describes the interconnection of FCR-D (Frequency Controlled Disturbance Reserves) and V2G services. In this post, Bjoern Christensen, VGI/V2X Expert and author of this article explains further details on V2G Electric Grid Services.While analyzing the FCR-D pricing from 1/1/2022 until 3/31/2023 (see Figure 1 and Figure 2) based onPon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-44016716255242334132023-05-05T13:36:00.008+02:002023-09-15T16:18:58.449+02:00Frequency Controlled Disturbance Reserves (FCR-D): The Dream V2G Service?Is there one thing we have learned over the last years it is the need for a flexible electricity grid. Changing weather patterns, stopped or blown up pipelines, external shocks like the war in Ukraine leads to a very dynamic energy production and even to energy scarcity. To cope with our energy dependence on these events we need a grid that can accommodate flexible grid services. Flexibility Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-10614980899577808672023-04-28T14:22:00.008+02:002023-12-04T14:36:13.848+01:00Why is Hydrogen Fuel cell EV technology still popular | Drivers of Hydrogen economyWhy is hydrogen technology still popular; and several bigger economies of the world continue to fund Hydrogen/ fuel cell development projects – knowing that their wheel-to-wheel is terrible?.... these are some of the questions that I receive frequently. This post tries to answer some of your questions. All the credit goes to the insights from: Michael Sura Energy analyst and strategist, Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-86756806236957531662023-03-03T09:27:00.001+01:002023-03-03T09:27:23.043+01:00Summary (video) of Tesla Investor Day - 2023Not everyone understood Tesla investor day presentation; and those expected announcements like $25k EV and Cybertruck updates are clearly disappointed (that reflects in the share price, down 6%).But for me, this is one of the best investor presentations I have ever listened to. Here’s a quick summary of what I understood (and thanks to the one who made the above super-short summary video). 1. Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-54168944731407464452022-12-07T11:31:00.004+01:002022-12-07T11:33:01.320+01:00How to plan for EV fleet depot charging solution | Typical Implementation planElectric fleets with centralized operations or with vehicles parked at a garage overnight may find depot charging to be the perfect charging solution. With upfront planning and optimized design there are many technical solutions to improve operational efficiency and reduce costs – not to mention sustainability benefits. This post shall give an overview on Planning, Implementation, Charge Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-76380325322509410482022-11-25T12:02:00.001+01:002022-12-12T12:08:21.535+01:00Megawatt Charging System Communication (MCS) Communication Topology | What changes on PLC, ISO 15118 and SLACAlmost after 4 years of continuous research and testing, CharIN Subgroup for MCS has published several technical and non-technical aspects of the Megawatt Charging System (MCS). While the group’s main intention is to reuse as much as implementation of existing Combined Charging System (CCS), there are a few changes unavoidable due to the higher current/power requirements of megawatt systems.This Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-9165011827089527102022-11-11T21:58:00.004+01:002022-12-08T13:47:29.170+01:00What is Demand Response (DR) | different types - FCR, aFRR, & mFRR programsDemand response might sound like a complicated topic and the
terminologies used around it’s technologies can be confusing too. But the
concept of demand response is simple. This article may explain it in simple
terms.
Our power grid systems to work smoothly, the electricity
being injected into the grid and consumed should be balanced all the time, but finding
this balance is the challenge!. On Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-90750558708409615982022-11-04T10:02:00.001+01:002022-12-12T10:06:40.127+01:00Why is MCS (Megawatt Charging System) important for commercial EV industry? | MCS for Mid-Heavy duty vehiclesThere are two key technologies to broad acceptance of battery electric commercial vehicles: increased range and decreased charge times. Charging time, which can be quantified as distance per time unit charged, should be considered across the fleet, and should also consider lost charging time due to delayed charging or even charging equipment issues. MCS offers the charge rate necessary Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-20995795714340482332022-10-29T13:09:00.003+02:002022-11-05T15:36:18.497+01:00Summary of V2G, V2L, V2H activities across the world
Here's is a nice summary of V2G, V2L,V2H and virtual power wall ecosystem composed by Augustin Friedel - Senior Manager Mobility Transformation at MHP👉 General Motors shared the ambitions for the GM Energy ecosystem to expand the potential beyond the EV business. The GM Energy portfolio offers energy management for home, commercial and EV customers, with solutions ranging from Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-83294608483495731642022-06-20T13:14:00.007+02:002022-06-20T21:51:44.744+02:00What are Depot charging & Opportunity charging for Electric Buses and TrucksIf you're new to medium and heavy-duty electric vehicles charging industry, you might often wonder about the terms like Depot charging, Opportunity charging, Overnight charging, on-route / en-route charging…etc. What are they actually mean? Is there any industry definitions or specifications for these terms? What output capacity each of them can offer? This post may help you to understand some Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-33642917068442478412022-02-22T19:12:00.003+01:002022-06-20T12:49:32.784+02:00Top 5 reasons: why to go for electric trucks (and why not)
There is much discussion about electric trucks, however there's huge advantages of going electric, with down sides that can be managed and improved with new technology.1) COSTTypically around 80% of the cost of operation of trucks over a 7 year / 700,000 mile life are variable costs - energy, maintenance and driver the big ones. While a BEV truck has higher initial capital cost than Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-24097454187482669662022-01-28T15:17:00.003+01:002022-10-27T15:25:18.723+02:00Why not direct payment card terminals on EV charging stations ?On September 17, 2021, the federal states approved the government proposal for the amended charging station ordinance (Ladesäulenverordnung) which mandates that every public charging station must support direct payment card, accept debit & credit cards by Jul 2023. Full info here. Do you think it is a smart move and is going to really help the EV drivers?How consumers pay for charging EVs is Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-71835466223307217522021-02-08T17:43:00.001+01:002021-02-08T18:00:24.740+01:00Smart Charging in OCPP 1.6 Vs OCPP 2.01 Vs ISO 15118 | Understanding basic differencesOpen Charge Point Protocol – OCPP 1.6 already offers smart charging feature; time, cost, source and load based optimizations are already possible. Then, what is it new in OCPP 2.0.1? and why is OCPP 2.0 smart charging often referred along with the smart charging functionality of ISO 15118? This post aims to clarify these questions in simple words as well a bit detailed with relevant OCPP messagesPon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-25738412744251074292021-01-24T23:23:00.004+01:002021-01-24T23:23:59.769+01:00Basics of ISO 15118 | What is it? What are the Use cases & Challenges WHAT IS ISO 15118?A number of different protocols and standards govern communications between hardware and software in the electric vehicle (EV) charging ecosystem. One of them is ISO15118.ISO 15118-2 – and its more recent iteration ISO 15118-20 - is an international standard for communication between an electric vehicle (EV) and a charging station. It enables a functionality called “Plug & Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-17873031348809546422020-12-07T22:32:00.000+01:002022-03-20T13:09:32.434+01:00Why does electric vehicle battery drain fast in Winter ?
Why does the performance of lithium-ion batteries in e-cars, e-bikes and cell phones drop at low temperatures and what can be done about it? When charging and discharging batteries, an electrochemical process takes place that is significantly influenced by the ambient temperature. In virtually all battery technologies, this works best at temperatures between 10 and 25 degrees Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-53681152689746553922020-11-23T20:13:00.012+01:002020-11-23T20:24:50.171+01:00Are Plug-in hybrid vehicles leading to a new dieselgate? Plug-in hybrid vehicle (PHEV) sales are skyrocketing in Europe with half a million expected to be sold this year alone. Carmakers need to sell low emission vehicles to comply with the 2020/21 EU car CO2 standard which took effect in January 2020. But are these cars as low emission in the real world as in carmaker test labs? Or are PHEVs high emitting vehicles that carmakers Pon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0tag:blogger.com,1999:blog-7310845383382367216.post-50783124812032711002020-11-17T10:59:00.001+01:002020-11-17T10:59:22.978+01:00E-Mobility stuck in between - until we connect the dotsImagine fueling up your car with petrol without having to go through the payment terminal, no code, no physical card, no selection of fuel type or volume. Just connect the hose and it will fill up according the recognized fuel contract and might even apply your specific preferences, BPme, Shell Fill up & Go, Texaco App, Total.All fossil players are looking in to such, trying to harvest you asPon Paulrajhttp://www.blogger.com/profile/17285047599027189193noreply@blogger.com0