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Login Store Community Support Change language View desktop website Is PC gaming on a 50Hz TV any different than 60Hz?? Do I need 60Hz?? So I'm buying a new TV very soon and I'm getting it mostly for gaming so I can plug my laptop into it and enjoy a bigger screen. All I want to know, is if it's really important to get a 60Hz TV, or will 50Hz be fine? Most of my games run at 60 FPS or above except Skyrim. And I've heard that by using a 50Hz TV I wont be getting the full image that my laptop is giving out. The only problem is that 60Hz TV's are very hard to find for some reason and so far haven't found anything except 50Hz. So what would you guys recommend I do? Date Posted: 28 Jan, 2014 @ 5:54pm Posts: 15.
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However, what do we mean exactly? Each audio device we acquire comes with specifications and certifications that guarantee a certain quality and fidelity level in the sound that will come out of them. At Demolandia we are responsible for collecting a library with the most useful and important demonstration files, trailers and tests that have been appearing along with those equipment, codified to the best quality and with less loss to guarantee the greater fidelity in the sound, thus ensuring an accurate evaluation of the performance of your speakers, amplifiers, headphones or any other audio device. On the other hand, the monitors and TVs are constantly offering a clearer and more real image. That is why, at Demolandia, you will also find the widest variety of trailers that, besides bringing us back memories of past times in the case of the most classic ones, will give you a clear idea of the potential of any television and audio system. We even have 3D demos of the best quality. In conclusion, who are we? At Demolandia we are enthusiasts of technology, lovers of high quality and fidelity, that we have decided to facilitate to our users the use of the maximum potential of their audiovisual devices and provide them with such an amazing vision of the history and evolution of these technologies. Therefore, if you are one of those who checks each label (Dolby, THX, DTS) in the equipment boxes, movies, DVD, Blu-Rays or video games you acquire, you have come to the right place. show less.
Computer systems and gaming consoles are simply useless without a monitor. Sure you can play games with a tablet or a mobile phones but gamers would agree that screen size matters. Hence, a gaming monitor is necessary. You may have scouted for gaming monitors in the past and found out that there are tons of options on the market. In addition, there are lots of factors to take into consideration so that you can be sure that you’re making a wise choice. The Buzz About the Hertz – 120Hz vs 60 Hz One of the most important factors that you need to check before buying a gaming panel is the refresh rate. Simply speaking, refresh rate refers to the number of times an image displayed on screen refreshes for every second. Refresh rates are express in Hertz (Hz) unit. Gaming and computer monitors are usually running at 60 Hz and 120 Hz. It is important to note the number of Hz in monitors play a vital role in the quality of the image displayed in the panel. The higher the number, the faster the refresh rate is. Consequently, it reduces motion blurring resulting in a smooth frame by frame transition of frames and better picture quality. 60 Hz monitors have been dominating the market for decades. It may not be the best but 60 Hz panels were decent and average. However, with all the technological developments that we are experiencing, 120 Hz monitors have captured the spotlight. The difference between 60 Hz refresh rate vs 120 Hz is simply very obvious. Considering the displayed image refreshes twice the speed now, it is expected to be able to handle games with high graphics without sluggishness. Benefits of Choosing Higher Monitor Refresh Rates Now that we all know what the “Hz” is all about, let us now go over some of the reasons why displays with higher refresh rates are better: 1. Reduced Game Latency Gamers will go wild if they experience sluggishness and slow response time while they are in the middle of a game. More often than not, these problems are caused by low refresh rates values. Take for example a monitor with a 60 Hz refresh rate. If you are playing Call of Duty or Sea of Thieves that requires 120 Hz refresh rate, you will end up with a slow and underwhelming gaming performance. This is because your monitor cannot cope with the requirement of the game. In addition, you can visibly feel the difference when it comes to Screen Tearing. This phenomenon occurs when your video card is sending out frames way faster than what your monitor can handle. This indicates that there is a difference between your monitor’s refresh rate and the game’s frame rate. As a result, you’re getting half frames that are not shown together or synchronized. Can you imagine how distracting can this be let alone on crucial moments of the game? 3. Enhanced Motion Resolution Pixels are just part and parcel of the factors that affect how good the display of a monitor will be. The other half relies on how fast your refresh rate is. In fact, improving screen’s motion resolution is the most important benefit of higher refresh rates. The most common consequence of low refresh rate is blurring. This is evident by the uncertainty of edges and details in a picture. This problem can be answered by selecting a 120 Hz panel. Some may not even notice the difference but believe us, you eventually will. Hence, if made to select between a 60 Hz and 120 Hz monitor, don’t think twice and prefer the one with a higher number. 4. Improved Game Responsiveness Input lag is greatly affected by the monitor’s refresh rate. For example, the input lag time of a 60 Hz IPS is 16. 67 millisecond while that of a 120 Hz is 8. 33. Make no mistake about it but the most notorious games can easily tell the difference of monitors with different refresh rates. The difference may be very minute (just a few milliseconds), but it greatly affects the sensitivity of the game. This major difference between 60 Hz monitors and 120 Hz panels is frequently a deciding factor why most hardcore games consider the refresh rate as the top factor in selecting a monitor. In addition, 120 Hz panels can easily handle higher frame rates with almost undetectable effects. Do You Need a Monitor with 120 Hz Refresh Rate? There is no definite answer to this question. It basically depends on what you are using your monitor for. For example, if you are simply using the screen for office stuff and viewing ordinary videos on line, a 60 Hz monitor will be good enough. However, if you are using a monitor to play video games or doing some video editing works, monitors with higher refresh rates are highly recommended. In addition, on-line streaming contents and gaming console displays require high refresh rates for optimum performance. Hence, in cases like this, monitors with 120 Hz refresh rates or higher is the smartest option. Below are the some of the most popular content and other related resources and their corresponding refresh rate requirements: Content Source Refresh Rate Requirement Apple TV 60 Hz Chromecast 60 Hz Xbox One S/X 24 to 60 Hz Bluray Players 24 to 60 Hz PS4 /PS4 Pro 24 to 60 Hz Personal Computers 60 to 240 Hz Is 120Hz the Best Option for Me? Sure, 120Hz is a very great option for a monitor. However, this is not the best in the market so far. Monitors with 144 Hz refresh rate were released on the market not so long ago. Though it was an upgrade, it was not that much of an improvement. For others, they can hardly see the monitor differences between a 120 and a 144. Hence, a more powerful 240 Hz refresh rate was introduced. Monitors with 240 refresh rates double the speed of a 120. It seems like having the performance of a dual monitor merged into one. Motion Interpolation Sometimes, it is hard to identify if your monitor is running at 60 or 120 Hz. This is because some monitors are using what they call as motion interpolation. It is their technique to smooth-en the display to cope with the blurs and deficiencies resulting from an inadequate refresh rate. With the help of a software, the quality motion is enhanced and could look better. Though they might offer some fixes, its performance is simply not as good as the real refresh rate. Conclusion We hope that this article has answered your queries about monitor refresh rate differences and other questions. It is important to note that the price of a 60 and a 120 Hz monitor is not that significant at all. Hence, if you are not sure which one to buy, it won’t hurt to settle for a monitor with a higher refresh rate. This makes you ready for whatever new feature or content format technology giants may throw at you.
Seedan movie quotes. Seedeng intro song. My mother in law just returned from Europe and brought me an espresso machine. It's rated 220v - 50 Hz (as written in the label), but the power system here is 220v - 60 Hz. Funny thing is that in the manufacturer website it says the model is actually 220v - 50/60 Hz. Question is: can I use it here? By searching the internet I found some people saying it wouldn't work, others saying it would work but damage the machine eventually, and even others saying that the frequency difference only affects clocks/timers. So I'm kinda confused. Should I try to use it? Aarthi 1, 085 6 gold badges 19 silver badges 29 bronze badges asked Aug 10 '10 at 5:31 Rodrigo Sieiro Rodrigo Sieiro 277 3 gold badges 4 silver badges 8 bronze badges The 60 Hz represents the frequency at which the voltage in the wire oscillates. Heating elements don't care about this, and neither do most electronic components as they turn this alternating current (AC) into constant (DC) direct current anyway. If this is an all-singing, all-dancing, computer controlled extra-fancy espresso machine then I'd steer clear, though, as there's a remote chance you've one of the few devices where the cycles-per-second makes a difference. If it just uses power to heat an element you should be fine. Disclaimer: operating the device outside of the region it's designed for will certainly void the warranty, and coffee in excess isn't good for you anyway. answered Aug 10 '10 at 6:08 Jeremy McGee Jeremy McGee 1, 769 1 gold badge 12 silver badges 11 bronze badges I would not trust the manufacturer's website: there is a chance that the batch of coffee makers that yours came from was made with a different power supply or some other difference. Instead, look at the little sign that has model numbers, serial number, voltage, etc. If it says 220 V 50/60 Hz, then it's probably safe to use it in the US. If it says 220 V 50 Hz, it's more uncertain. Many components should work fine, but perhaps some may overheat, not work, or run at the wrong speed. If the alternative is to throw the machine in the garbage, I would try it (with a transformer in order to convert 110 V to 220 V) but unplug it when not in use. (P. S. Interesting tidbit: much of southern California used 50 Hz until 1948. ) answered Aug 10 '10 at 12:09 Vebjorn Ljosa Vebjorn Ljosa 8, 681 16 gold badges 50 silver badges 81 bronze badges Certain AC motors (synchronous motors) will turn at a rate proportional to the input frequency. Fancy espresso machines contain pumps, which may or may not be synchronous. So, it's possible that the different power line frequency will affect the machine's output. If it has a pump driven by a synchronous motor, it'd be running slightly out of spec (16. 7% different), which would produce a different water pressure than it expected. I believe that it shouldn't cause much of a difference in operation, but one would need to analyze the complete system to be sure. Try it, and see what happens. There are unlikely to be any safety concerns with using the wrong power line frequency in this case. wallyk 11. 8k 1 gold badge 18 silver badges 49 bronze badges answered Nov 13 '15 at 23:10 Are you in the US? If so our household current is ~110V 60Hz unless you are using a special purpose outlet which are often used for air conditioners or electric oven/stoves and has a different plug/outlet which supply ~220V 60Hz. The ac frequency is unlikely to matter, but using the lower voltage is unlikely to work, also unlikely to damage anything. answered Aug 10 '10 at 18:11 All you need is a step up/step down transformer. It will convert 110v 60hz to 220v 50hz and vice versa. I used to get electronics from Japan and had to buy a transformer to make my Famicom work in the US:) Just FYI - the step up transformer purchased 15+ years ago for that purpose is still being used in my mother's house. Something like this would work EDIT: actually too small for an espresso machine Probably more like this answered Aug 10 '10 at 18:35 kkeilman kkeilman 3, 333 1 gold badge 16 silver badges 17 bronze badges Not the answer you're looking for? Browse other questions tagged electrical or ask your own question.
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50 Hz and 60 Hz power sources are most often used in international power systems. Some countries (regions) commonly use 50Hz power grid while other countries use 60Hz power grid. Alternating current (AC) is changing the direction of the current periodically. Cycle is the time of a cyclical change of the current. Frequency is the times of the current changes per second, unit Hertz (Hz). AC current direction changes 50 or 60 cycles per second, in accordance with 100 or 120 changes per second, then the frequency is 50 Hertz or 60 Hertz. WHAT IS HERTZ? Hertz, in short Hz, is the basic unit of frequency, to commemorate the discovery of electromagnetic waves by the German physicist Heinrich Rudolf Hertz. In 1888, German physicist Heinrich Rudolf Hertz (Feb-22, 1857 to Jan-1, 1894), the first person confirmed the existence of radio waves, and had a great contribution in Electromagnetism, so the SI unit of frequency Hertz is named for him. WHAT IS Hz USED FOR? Hz (Hertz) is the frequency unit of the vibration cycle time of electric, magnetic, acoustic and mechanical vibration, i. e. the number of times per second (cycle/sec). WHAT IS 50 HERTZ? 50 Hertz (Hz) means the rotor of the generator turns 50 cycles per second, the current changes 50 times per second back and forth, direction changes 100 times. That means the voltage changes from positive to negative, and from negative to positive voltage, this process converts 50 times/second. The electricity 380V AC and 220V AC, are both 50 Hz frequencies. The speed of 50 Hertz 2 poles synchronous generator is 3000 rpm. AC power frequency is determined by the pole number of the generator p and speed n, Hz = p * n /120. The grid standard frequency is 50 Hz, which is a constant value. For a 2-pole motor, the speed n = 50 * 120 / 2 = 3000rpm; for a 4-pole motor, the speed n = 50 * 120 / 4 = 1500rpm. WHY USE 50 HERTZ? When the frequency increases, the copper and steel consumptions of the generator and transformer decrease, along with the reduction of weight and cost, but will make the inductances of the electrical equipment and transmission line increase, reduce the capacitances and increase losses, thereby reducing the transmission efficiency. If the frequency is too low, the electrical equipment's materials will increase, along with heavy and high cost, and will make lights flashing obviously. Practices have proved using 50 Hz and 60 Hz frequencies are appropriate. CAN A 50 HERTZ MOTOR RUN ON 60 HERTZ? Since the formula for governing the synchronous speed of a three-phase motor is n = (120 * Hz)/ p if this is a 4-pole motor then at 50 Hz the speed would be 1, 500 RPM whereas at 60 Hz the speed would be 1, 800 RPM. Since motors are constant torque machines then by applying the formula that HP = ( torque * n)/5252 then you can see that with a 20% increase in speed the motor would also then be able to produce 20% more horsepower. The motor would be able to produce rated torque at both 50/60 Hz frequencies only apply if the V/Hz ratio is constant, meaning that at 50 Hz the supply voltage would need to be 380 V and at 60 Hz the supply voltage would need to be 460 V. In both cases the V/Hz ratio is 7. 6V/Hz. WHAT IS 60 HERTZ? At 60 Hz, the rotor of the generator turns 60 cycles per second, the current changes 60 times per second back and forth, direction changes 100 times. That means the voltage changes from positive to negative, and from negative to positive voltage, this process converts 60 times/second. The electricity 480V AC and 110V AC, are both 60 Hz frequencies. The speed of 60 Hz 2-pole synchronous generator is 3, 600 RPM. AC power frequency is determined by the pole number of the generator p and speed n, freq. = p*n/120. The grid standard frequency is 60 Hz, which is a constant value. For a 2-pole motor, the speed n = 60 * 120 / 2 = 3, 600 RPM; for a 4-pole motor, the speed n = 60 * 120 / 4 = 1, 800 RPM. HOW TO CHANGE 60 Hz TO 50 Hz A frequency converter can convert fixed frequency (50 Hz or 60 Hz) AC power to variable frequency, variable voltage power through AC → DC → AC conversion, output pure sine wave, and adjustable frequency and voltage. It is different with variable frequency drive, which is special for motor speed control only, and also different with ordinary voltage stabilizer. Ideal AC power supply is stable frequency, stable voltage, resistance is approximately zero and the voltage waveform is pure sine wave (without distortion). Frequency converter output is very close to the ideal power supply, hence, more and more countries use frequency converter power supply as a standard power source in order to provide the best electrical power supply environment for appliances to estimate their technical performance. 50 Hz vs. 60 Hz IN OPERATING SPEED The primary difference between 50 Hz (Hertz) and 60 Hz (Hertz) is simply that 60 Hz is 20% higher in frequency. For a generator or induction motor pump (in simple terms) it means 1, 500/3, 000 RPM or 1, 800/3, 600 RPM (for 60 Hz). The lower the frequency, the lower will be the iron losses and eddy current losses. Lower the frequency, speed of induction motor and generator will be lower. For example with 50 Hz, generator will be running at 3, 000 RPM against 3, 600 RPM with 60 Hz. Mechanical centrifugal forces will be 20% higher in case of 60 Hz (rotor winding retaining ring has to bear centrifugal force while designing). But with higher frequency, output of generator and induction motors will be higher for same size of motor/generator because of 20% higher speed. 50 Hz VS 60 Hz ON EFFICIENCY The design of such magnetic machines is such that they are really one or the other. It may work in some cases, but not always. To change between different power supply frequencies will certainly have an effect on efficiency, and may mean de-rating is necessary. There is little real difference between 50 Hz and 60 Hz systems, as long as the equipment is designed appropriately for the frequency. It is more important to have a standard and stick with it. The more significant difference is that 60 Hz systems usually use 110V (120V) or thereabouts for the domestic power supply, while 50 Hz systems tend to use 220V, 230V etc. for different countries. This has the impact that house wiring needs to be twice the cross section for the 110V system for the same power. However the optimum system is accepted as around 230V (wire size and power required versus safety). IS 60 Hz BETTER THAN 50 Hz? It is no big difference between 50 Hz and 60 Hz, nothing is bad or good basically. For independent power equipment like ships, aircraft or isolated area like gas/oil installation, any frequency (like 400 Hz) can be designed based on suitability. Source: 50 Hz OPERATION OF 60 Hz MOTORS To obtain optimum performance, motors used for 50 Hz applications should be specifically engineered and manufactured for 50 Hz. Frequently, the delivery of 50 Hz products is such that an alternate course of action, utilizing 60 Hz products, is desirable. The general guidelines for operating 60 Hz motors on 50 Hz systems relate to the fact that the volts per cycle have to remain constant with any change in frequency. Also, since the motor will operate at only five sixths of 60 Hz speed the output horsepower capability of 50 Hz is limited to a maximum of five sixths of nameplate H. P. Source: U. S. Motors THINGS TO CONSIDER WHEN OPERATING 50 Hz EQUIPMENT AT 60 Hz? Machinery imported into the United States is often rated at an operating frequency of 50 Hz—unless engineered for operation at 60 Hz.. This can be problematic for electric motors. This is especially true when operating pump and fan loads. Often, the distributors and purchasers of this machinery assume that the Original Equipment Manufacturer has taken this into consideration. This is recognized when motors are received for repair roasted out from overload. A Variable Frequency Drive (VFD) can be used to properly address the issues associated when operating 50 Hz equipment at 60 Hz. Motor speed is directly proportional to the operating frequency. Changing the operating frequency on a pump or fan increases the operating speed, and consequently increases the load on the motor. A pump or fan load is a variable torque load. A variable torque load varies by the cube of the speed. A 50 Hz motor operating on 60 Hz will attempt to rotate at a 20% increase in speed. The load will become 1. 23 (1. 2 x 1. 2) or 1. 73 times greater (173%) than on the original frequency. Redesigning a motor for that much of a horsepower increase is not possible. One solution would be to modify the driven equipment to decrease the load. This may include trimming the diameter of the fan wheel or impeller to provide the same performance at 60 Hz as the unit had at 50 Hz. This will require consultation with the OEM. There are other considerations associated with an increase in speed besides the increase in load. These include mechanical limitation, vibration limits, heat dissipation, and losses. The best solution is to operate the motor at the speed for which it was designed. If that is 50 Hz., then a variable frequency drive can be installed. These drives will convert the 60 Hz line power to 50 Hz at the motor terminals. There are numerous other benefits that will be realized with this solution. These benefits include: improved efficiency power regulation (often better than the utility will supply) motor over current protection better speed control programmable output to perform other tasks improved performance. Source: Precision Electric, Inc., By Craig Chamberlin, November 25, 2009
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Dumb question, but I keep reading about people wanting 30hz vs. 60hz but I am not sure what the difference would be when running 4. 1. My monitor specs are below and can handle 60hz but I am not sure why I should (or why people say) to go to 30. Can someone give me the run down? My specs are below.
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Dell 34" Curved monitor U3415W (specs below). What HZ should I be running for best performance? It has 60hz Vsync rate at max performance.
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Good information in this thread:
Pay special attention to Rob's posts in that thread.
To make a quick summary, 30Hz means you only need to sustain 30 FPS (minimum) to avoid "stutters" (long frames). 60Hz means you need to sustain 60 FPS (minimum) to avoid stutters. You can run more add-ons and increase graphics settings when you only need to sustain 30 FPS. In all cases, running Vsync On and Unlimited frames, you're slaved to the Vsync signal.
Now, there are alternatives to this approach that can produce good results also if you can't operate at 30Hz. Limit frame rates, us NI to do 1/2 refresh rate, or try adaptive refresh.
But to clarify, 60Hz will always be visually smoother than 30Hz, just as 120Hz will be visually smoother than 60Hz... BUT the need for Hz frequency depends on your rate of motion. If you fly high speed military aircraft with TrackIR and your head is moving quickly all the time, then you'll want 60Hz or higher (what 3D shooters typically like). However, if you typically fly slow GA, or commercial aircraft then you probably don't need more than 30hz to keep the sense of fluid stutter free motion.
1 hour ago, Zimmerbz said:
Dell 34" Curved monitor U3415W (specs below). What HZ should I be running for best performance? It has 60hz Vsync rate at max performance
I have the same monitor and it only appears to be able to run at 60 or 50hz but I keep it at 60hz. I have had good luck lately using the 1/2 refresh in Nvidia Inspector along with using FPS limit of 30. 5 or 31 in NI as well. Keep Vsync off and FPS unlimited in P3D. I am now getting super smooth flights as long as I am able to maintain the 30fps. I have some trouble with that using the FSL A320 at times but it still seems to be the best solution I have found so far.
P3D v4. 5 i7-6700k @ 4. 4 GHz, Nvidia GTX 1080ti, 32GB ddr4 RAM, 1TB EVO 850 SSD, Samsung CRG90 49", Win 10
I am having some great performance with a 49"4K at 25hz. What i still cant figur out is when setting to VSYNC off my fps is between 40-70 fps BUT sometimes doing nothing at all i see it drop to 25-30fps and back again. Like a spike.
This is why i sometimes see below 25 fps/25HZ in the sim i guess or by putting to much to the table but it seems strange doesnt it?
28 minutes ago, Flic1 said:
Setting Vsync to 1/2 refresh rate in NI doesn't seem to function at all on my system. P3DV4. 1
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Would you use the 1/2 refresh with VSYNC & TB off, I have a gaming laptop, which will only run at 60hz.
I have had some improvements using the 1/2 refresh, also used the Affinity in the windows task manager to move p3d away from cores 0, 1. Also have a dedicated SSD for P3d & a SSD for the OS & addons works great.
Contemplating downloading Lasso to use to help with this.
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53 minutes ago, Flic1 said:
1/2 refresh rate in NVI has no effect on P3D as this only works with applications that run in true full screen mode (not borderless window mode as P3D runs). Limiting frames is what's keeping your sim smooth, as it's essentially limiting the output to half your 60Hz refresh rate anyway.
2 hours ago, Flic1 said:
I have the same monitor and I'm able to run it a 30Hz. I followed what MadDog shared on this topic.
Display Changer 30Hz
2 hours ago, odourboy said:
It has never worked in P3D because P3D doesn't use a true 'fullscreen' mode.
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2 hours ago, ChrisKSDF said:
Well, so much for that idea!! That may very well be the case and it's just the FPS limiting that is making the experience better. One thing for sure is that setting FPS limits in Nvidia Inspector works much better than setting them in the sim which tends to kill my performance. I have always been running with unlimited but have been doing some testing to smooth out some stutters I have been getting.
34 minutes ago, Samaritano said:
I'll have to check this!
On 12/15/2017 at 5:40 PM, Rob Ainscough said:
NI to do 1/2 refresh rate
Why would you say that? You know that doesn't work? Or does it? Again, why would you say that?
(sorry, I know it's an old topic but I'm currently researching 30Hz and stumbled upon this)
3 hours ago, 0Artur0 said:
NI 1/2 refresh rate works for some and not others... depends on your OS (Win7/Win10), your monitor, your GPU, GPU driver version. I have several monitors that operate only at 60Hz and I've still never needed NI 1/2 refresh rate option, I just set TFR to 30... however everyone has different OS/hardware so it might be a viable option if TFR = 30 isn't working for them. Also, as drivers change, nVidia now have an "Adaptive Vsync" that can be selected in NCP that might help.
The rumor that NI 1/2 refresh rate is tied to "exclusive full screen mode" is just that, a rumor... the Vsync signal will always be present, how nVidia choose to operate from it is on them and there is no limitation of "true full screen mode".
7 minutes ago, Rob Ainscough said:
Interesting you call that a rumor yet nobody was able to provide a definitive proof that 1/2 refresh rate vsync actually works for them in P3D and that's not a placebo effect. On the other hand, the effect of 1/2 refresh rate vsync in FSX working (in true fullscreen mode) is extremely obvious. So, it worked for ALL in FSX (true fullscreen mode) and it takes a mythical combination of hardware and software in P3D (not a true fullscreen mode) to allegedly work for a few. Just saying 🙂
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Seedeng intro. Seedan vivek comedy. See an example. Seedeng hacking ant. I assume you meant reduce the fan blade angles a little? This is quite easy on most decent modern axial fans. My specialty is not transformers but since we are talking about 50 Hz transformers being used on 60 Hz power supplies - let's consider an example where we keep the VOLTAGE constant (We keep the Volts/Hz ratio constant. Say 400 V primary (secondary doesn't matter), with a volts per turn at 50 Hz) such that the core flux density is 1. 5 Tesla. This will give certain core losses, of which a good portion is Hysteresis - plus copper losses of course. We now use the same transformer at 400 V but at 60 Hz. The equation will show easily that the core flux density will drop to 50/60 x 1. 5T = 1. 25 T. The 20% increase in Hysteresis losses will apply. But a quick look at losses in electrical steel will show that the core loss will now also drop due to the reduction in flux density. This will be quite substantial, and can be quantified by looking at transformer steel technical catalogues (that give core losses for various frequencies - against peak flux density). Practically the result of this is that the transformer will run cooler on a 60 Hz system AT THE SAME VOLTAGE. Given the eddy-current and skin effects - even with these, it is highly unlikely that any 50 Hz transformer will not operate at rated load or higher on a 60 Hz power supply system at the same voltage levels. Obviously the reverse does not apply because the 60 Hz (designed) transformer - assuming it has 1. 5 T flux density for rated voltage - will end up at 60/50 x 1. 8 T when connected to the same system voltage but at 50 Hz. This will cause many a modern (fully rated) 60 Hz transformer to overheat, due to the saturation of the core.
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