JJW SJW A.C. Precision Purity Regulated Power Supply
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- 10000pcs pc/month
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1. Product Description:
It often happens that the electrical equipment are damaged because of lack of power. The experts of power point out most 80% malfunctions of computer are caused by A.C. power supply directly or indirectly. So as to ensure the safe operation of electrical equipment, the power supply must be improved. Our products fulfill the requirements in such places for his spurious characteristic. Our products are suitable for the following fields: science department, university, corporation, hospital, broadcasting station, communication equipment, traffic system, test equipment and all automatic production equipment.
2. Product Characteristic:
A.C. Precision purity regulated power supply is our new, high characteristic electronic A.C. regulated equipment as KUPA doctor’s theory, combining Asymmetrical Digital Subscriber Loop colander net, which integrates multi-functions such as purity regulation and anti-disturbance. They are of wide range in regulation, fast speed in response, high precision in regulation etc.,to refrain all kinds of noise from power net and disturbance from peak. They are your first choice among of A.C. regulated power supply at present, which are 614 series electronic A.C. regulated power supply and ideal substitution regulated power supply.
3.Specification：
Single phase:170-270V Three phases:310-450V
Range of input regulation:
Single phase:185-250V, output:220±5%
Three phases:330-450V, output:380±0.5%
Input frequency:50Hz±5%
Alarm value of output voltage
Single phase:output higher than 242V or lower than 198V
Three phases:output higher than 418V or lower than 342V
4. Reference Picture:
- Q: Which is good for the transformer?
- and other electrical equipment. Product design novel, small size, handsome in appearance, with low loss, low noise, impact resistance and so on. Widely used in industrial and mining enterprises, textile machinery, printing and packaging, petrochemical, schools, shopping malls, elevators, post and telecommunications, medical machinery and other needs of the normal voltage guarantee occasions.
- Q: I have a 240v-5v transformer for recharging, and it makes an annoying very high-pitched squeaking noise. What causes the noise?
- Normal transformers with iron laminated cores operate at 50-60Hz (50-60 times a second), but transformers in modern cell-phone chargers and PC power supplies require a higher power than would be possible for the given size restraints. A 240v to 5V @ 1A 50-60hz transformer would be the size of a deck of cards and would weigh several kilograms, but if you replace the core of the transformer with a ferrite material (powdered iron) and switch the primary winding at high frequency, say 20Khz or more (20 thousand times a second) the size of the transformer shrinks to the size of a small coin. The ringing sound you are hearing could be caused by several things: 1. It's operated at a near-audible frequency, like 19Khz (not very likely) 2. It's under very high load condition and it's struggling to meet the power requirements and as a consequence the duty cycle of the PWM has increased which can make a chirping sound. 3. It's defective or dying, and it's having a hard time regulating the output voltage and it's excessively modulating the PWM. 4. You are young and young people have better than normal hearing in the higher end of the frequency range and you might be hearing a harmonic of the higher than audible drive frequency. Hope that answers your question :)
- Q: anyone have any pictures ideas on how to do a transformers cake???? i need one for this sunday any help would be appreciated
- I would like to answer your question , If I could actually know what you mean.
- Q: i want to know the actual lyrics for the Transformers theme that was re-covered by Mute Math. i heard that they changed some of the lyrics but i would like to know the exact changes, thanks.
- i hope this helps - Something evil's watching over you Comin' from the sky above And there's nothing you can do Prepare to strike There'll be no place to run When your caught within the grip Of the evil Unicron Transformers More than meets the eye Transformers Robots in Disguise Strong enough to break the bravest heart So we have to pull together We can't stay worlds apart To stand divided we will surely fall Until our darkest hour When the light will save us all Transformers More than meets the eye Transformers Robots in Disguise Transformers Autobots wage their Battle To destroy the evil forces Of the Decepticons It's judgment day and now we've made our stand And now the powers of darkness Have been driven from our land The Battle's over but the war has just begun And this way it will remain til the day when all are one Transformers Transformers Transformers Transformers More than meets the eye
- Q: In the transformer load calculation to be calculated when the fire pump
- The fire pump is not included in the normal operation of the transformer load, because when the fire pump is running, but also when the fire, the other load had to stop. The usual fire pump test check, the pump start running time is very short, the transformer allows a short time overload.
- Q: I understand that transformers used to lower voltage for AC power transmission, simultaneously change both the voltage and current, but if such a transformer were in used in say a 12 volt dc power adapter that plugged into the wall outlet, then it would be counterproductive if the voltage lowering transformer upped the current as too much power would be dissipated, and a current boost would be unwanted, right? Same with transformer for PC power supplies. They must lower voltage without upping the current, right? Thanks a lot.
- You have a major misconception. The amount of current out of a transformer is determined by the load. The transformer sets the MAXIMUM current available, but the actual current is determined by the load placed on the transformer. So if you plug a transformer into 120 VAC to get 5 volts AC for a PC, even though the 120 volt AC outlet is rated at 20 amps, that does not mean you get 20*60 amps out of the transformer. The maximum current out of the transformer in the above example is set by the rating on the transformer, say 10 amps, not 1200 amps. And the actual current that flows out of the transformer is determined by the load. Open circuit, it is zero. Connected to its load, it could be 5 amps. And this is where the current ratio comes into play. that 5 amps causes 5/60 or 0.083 amps in the primary. to elaborate further, a 12 volt battery has a 100 amp capability. That means the battery can put out UP TO 100 amps. But the actual current drawn by the battery depends on the load.
- Q: I would like to get my grandchild all the transformer movie dvds but don't know the names of all of them. please help and thanks
- Transformers, Transformers: Revenge of The Fallen, and Transformers: Dark of the Moon(comes out September 30). Hope I helped.
- Q: Hi! Anything you wanna say about transformers, leave here!
- Transformers are cool!!!!!!! Transformers movie freaken awesome!!!!!! Transformers Animated its OK could be better, but still OK. Also can't wait until the next Transformers movie to come out!!!!!!!!!!!
- Q: I want to multiply current 10times for a second or two. So, is there any easy way to do that without using a high power transformer?Thanx.!
- Current from what kind of source, into what kind of load? Does the load take AC or DC?? What voltage does it need?? Why do you have to multiply the current? You can get clever with things like bucking switcher supplies to take 120 volts in and get 12 volts out at about 10x the current, but if your load isn't DC it doesn't help you. Edit:? 30 A @ 8 V isn't much, just 240 watts.? You can probably get this out of an old computer power supply; just re-wind (or add an extra winding in series with) the 5 volt winding on the toroid transformer to get 8 volts.? You may have to get fancy to get it to stay on (lots of the newer supplies want to be loaded, and want special signals to run) but with common supplies putting out 400 watts and more you should have no trouble.? The only issue is that you won't get 50 or 60 Hz, but since you didn't say your load has any particular frequency requirement I'll offer this as a possibility.
- Q: 220V to 12V transformer L N + V + V on behalf of what? The more detailed the better! Thank you prawn
- LN represents the line of fire and zero line, + V is the input and output voltage
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JJW SJW A.C. Precision Purity Regulated Power Supply
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- 10000pcs pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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