Using ETAP software in our electric power course provides students with a unique experiencein analyzing real world electric system issues. They have a great opportunity to simulate andstudy issues common in industrial plants and electric utility systems with state-of-the-artsoftware. ETAP better equips our students to advance in their chosen field of interest. Asgraduates they are better prepared and trained in electrical system design and analysis.
From protective device coordination, arc flash, load flow and voltage profile calculations totransient analysis with auxiliary power systems interfaces, we must stay current with thelatest in software technology, and [the ETAP 2010 Nuclear User Utility Conference] is a bestpractice in achieving that.
etap power station 5 with crack
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Grid Code Compliance & Management SystemReduce Risk & Protect InvestmentMaximize yields and meet Transmission System Operator (TSO) stability & power quality requirements at Point of Connection (PoC) with ETAP Power Plant Control solution.
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DescriptionStep by step guide on "How load flow calculation works?"Explanation of per unit methodCalculation of sending end and receiving end voltage, voltage dropCalculation of active and reactive power lossesHand calculation and comparing with ETAP results
Hi Peter. We have improved accuracy all the way around the pedaling circle and across the rear cassette, with 1X and 2X chainrings. And the measurement circuit has better temperature compensation, so there is less reliance on the 10K temperature compensation (software correction). Our qualification tests for new power meters use static testing, with a range of weights or forces, and dynamic testing. Right now we do not want to claim better than +/- 1.5% accuracy given the range of bikes and conditions a power meter can encounter. We are though hopeful there will be a broadly accepted test for power meter accuracy sometime in the future.
Hi Toby. If you have a Shimano crankset, the chainrings will bolt straight onto the Quarq DFour Power Meter Chassis. This power meter was designed for Dura-Ace, so the colors are not a perfect match, but the chainrings are directly compatible. If you have an alternative crankset you could use DFour with your choice of 11-speed Shimano chainrings or the Quarq DZero Carbon Power Meter Chassis with traditional 130 BCD or 110 BCD chainrings. There is more on DFour and its compatibility on the website.link to quarq.com
Hi part_robot. The weights as published are correct. The weights are for the chassis (crank arms and spider) bolted together plus the pedal washers. All Quarq and SRAM carbon power meters now use Exogram hollow carbon crank arms. The SRAM XX1 Eagle power meter uses similar CARBON TUNED crank arms. We believe the weights compare favorably to competitor products with two-legged measurement.
Hi Lars. The standard SRAM RED crankset uses an integrated carbon fiber crank arm and spider, and you cannot replace the power meter spider. The SRAM Force and SRAM Rival cranksets continue to use the 3-bolt interface. We are offering another option to bike makers, which is the Quarq Prime crankset. A good way to explain the 8-bolt interface is that it relies on the bolts for security instead of the interface, much like the wheel nuts on a car. This lets bicycle dealers or bike owners swap spiders and crank arms without impacting accuracy. It also makes for more consistent zero offsets, which is how we recommend you check the health of your power meter from day to day.
With the new spider only models will these be similar to the Quarq ones offered for Cannondale and specialised and work with existing cranks or will they only be able to be fitted on Prime power ready cranks?
The DFour will fit Shimano 4-bolt chainrings while the different variants of the DZero is for conventional 5-bolt chainrings, that is the only difference. For power meters where three prices are listed the first is for a complete chassis with carbon crank arms, the second price a chassis with aluminium crank arms, and the third only the spider.
We are still populating the Quarq website with Hidden Bolt options. All Quarq DZero power meters will start shipping on September 15 from Spearfish (USA). Quarq DFour from October 1. The SRAM XX1 Eagle Power Meter will be available on November 1.
Hi Abhinay. You want the Quarq DZero Aluminum with the GXP spindle. You will also need the BB90 bearing kit if you do not already have a SRAM crankset. You interpreted all of the correctly. Your chainrings should be the 5-bolt versions, so they will bolt onto the power meter.
Hi David. The Quarq DFour power meter is compatible with BB90 bottom brackets. Use the GXP version. If the bike does not already have a SRAM crank, install it with a BB90 bearing kit for SRAM/Truvativ GXP cranks. You need different bearings because GXP spindles are tapered, not 24mm all the way across. The Quarq Customer Service team can give you more details.
Hi Marlon. BB30 versions of Quarq and SRAM power meters work with BB30A and PF30A bottom brackets. Remove the 5mm spacer behind the preload adjuster on the non-drive side of the crank spindle to obtain the extra 5mm.
Hi Dat. The chainlines are the same as the standard crankset with conventional and Boost options. The difference is that with the power meter you make the change in the spider, not the chainring. You must choose either a conventional or Boost chassis or spider. The X-SYNC 2 104 BCD chainrings are the same for both.
Hi, I was thinking about buying a Quarq power meter for my Trek Emonda with Ultegra 11S .From what I understood up till now, that would be Quarq Elsa RS. Do the newest addition to Quarq series are applicable as well? Could someone explain it to me as to a laic I am?
Hi Vince. SRAM and Quarq power meters with carbon fiber crank arms have always used a wider spindle with removable spacers. I do not know the bike or bottom bracket you are describing. Please call or email Quarq Customer Service. They will be able to help you.
Hi Alejandro. If you are comfortable removing and reinstalling a crankset and chainrings you can comfortably do it on your own. The power meter spiders ship with a combination T-handle and screwdriver, T20 Torx driver and new interface and chainring bolts. You will need an 8mm or 10mm allen wrench, to remove your crankset, and 5mm and 6mm allen wrenches for the chainring bolts. We will have a video on this soon. In the meantime, the Quarq customer service team can can guide you through it.
Hi Dmitry. Quarq and SRAM power meters do not include those metrics. For the DZero platform we chose to focus on accurate power output from both legs because we know that delivers improvement and, with the right tactics, race wins. We are certainly interested in new metrics and closely watching the sports science on them. If they prove their worth they are something we can add with a free firmware update.
The FSA Gossamer crankset is not compatible with the D-Zero power meter spider. The correct choice in your situation would be to purchase a non-hidden bolt (NHB) D-Zero BB30 chassis, which includes new crank arms. The D-Zero chassis is offered with the choice of aluminum or carbon crank arms (D-Zero Aluminum / D-Zero Carbon). You would then need to specify BCD (110 or 130), and crank arm length. The BCD is likely printed on your existing chain rings and the crank arm length will be stamped into the back side of the crank arm near the pedal insert.
Hello.I can not find any information in the internet, if Quarq DZero is compatible with polar v800? And if it is compatible, than is there an ability to receive both power and cadence data from Quarq DZero on polar v800?
Installed my brand-new SRAM XX1 Eagle DZero today afternoon (I used Stages power meter earlier). I did a very short test ride and my Garmin Edge 520 received Cadence data only by some reason (Watts were completely missing). I tried to calibrate the sensor 5-6 times and I got (as far as I remember) error code 114 (?). Probably the error came because I missed to turn crank to 6 hours position (drive side). At home, I noticed that red light was blinking on the spider, in the meantime I got low battery message on the head unit. I replaced the stock cr2032 battery (Panasonic) to a brand new one (Energizer), paired the XX1 with Qalvin BLE (latest version. Mobile: iPhone 5 SE). Software reported that power meter has Firmware version 1 and version 2 is available for download. I have updated the firmware to version 2 and afterwards, calibration went successfully. ?Tomorrow I will have the very first test ride, I hope everything will be fine and I will also get Watts as well. ? 2ff7e9595c
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