Voltage Stabilizer with High Quality

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100 Units unit

Supply Capability:: 25000 Units per Month unit/month

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Usage: SVC
Phase: Single Phase
Current Type: AC

Delivery

Delivery Detail:

20days

Specificatons

*Technology Relay Control System+Micro compute programed control

*LCD Display / LED Display

*Color Red/Green/White/blue

*Info: Input Voltage/Output Voltage/Load Usage/Time Delay/Normal Working/Protection

*Protection Over Voltage

*Output voltage ≥248v±4

*Low Voltage Output voltage ≤188V±4

*Over Loading more than 120%

*Over Temperture 120±10

*Delay time Long time(255 second)/short time (5 second)

*Circuit breaker Regulator /By Pass

*Language English/Russian/Chinese

*Input Voltage AC150-270V(A Type); AC135V-AC270V(B Type); AC105V-AC270V(C Type)

*Output Voltage 220V+-3% ; adjustable

*Frequency 50Hz/60Hz

*Phase Single Phase

*Efficiency ≥90%

*Ambient Temperature -15-45C

*Relative Humidity<95%

*Waveform distortion no additional wave form distortion

*Insulating Resistance Normally more than 2MΩ

Q:It was strange to see a regulated power supply consisting of the op amp LM308A and the PNP transistor 2N2905. The output of the op amp does not return to the base of the transistor as usual, but returns directly to the inverting input of the op amp. The base of the transistor is connected to the positive voltage input of the op amp, connected by a resistor and the positive pole of the power supply. Do not know the working principle of the circuit, the role of the transistor, the output voltage regulator is how to adjust, do not know where the source of the circuit? I hope you experts advise!: I was the first time I saw this structure, I understand this: LM338 - 5.0 is a precision 5V voltage reference, the dynamic internal resistance is very low, the typical value is 0.6Ω, op amp LM308 is the emitter follower connection, 2,3,6 feet equal, that is, V2 = V3 = V6 = 5V, Rs and triodes constitute a parallel regulator circuit, and the op amp is the controller. Vin ↑, V3 ↑, V6 ↑, Io ↑ (op amp output current), I7 ↑ (op amp supply current), Ie ↑, URs ↑, Uout ↓.

Q:Adjustable DC regulated supply current is unstable: Voltage regulator type is different, the circuit is also different, a wide range of regulated DC power supply (output for a start to a high specific value) it works is to first stabilize a high voltage such as 18V after a voltage regulator circuit, In the maintenance of the eyes with a multimeter but also to measure the voltage of the previous level, such as 18V are not stable, followed by the adjustment of the voltage is in front of things

Q:Why Capacitor Filtering in DC Regulated Power Supply: Rectified DC is pulsating! The high charge and low charge characteristics of the capacitor can make the pulsating current become smooth DC!

Q:Ultra-low voltage automatic power supply how to use: Satisfied with the answer enthusiastic friends 2009-09-18 have wiring ah, then you can use the ah! Input to our socket power supply, output load. Very simple question: why use the voltage after the more unstable?

Q:DC power supply is linear or switch: Linear power supply external characteristics of excellent, and switching power supply itself is high efficiency, the load interference, each has its own advantages and disadvantages, according to the specific requirements of the power supply equipment selection.

Q:DC power supply technical indicators which: 3, the limit index (1) the maximum input voltage Is to ensure that the DC power supply safe operation of the maximum input voltage. (2) the maximum output current Is to ensure that the safe operation of the regulator to allow the maximum output current.

Q:What is the solution for a regulated power supply?: AC power supply voltage fluctuations in the main situation of the following two points: (1), the voltage fluctuated, can not be stabilized within the scope of the standard voltage permit; (2), the voltage continues to be high or low. The above two cases for the safety of electricity and electrical safety are a lot of unfavorable factors. With long-term work in such a voltage environment will cause air consumption increases, increased current consumption, reactive power is high, a serious rise in temperature, electrical appliances can not work properly and so on. More serious will burn the electrical, and even cause a fire!

Q:What are the main types of power supply?: Category: divided into the following four categories: AC power supply DC power supply Inverter power supply Switching power supply AC power supply Also known as AC voltage regulator. With the development of electronic technology, especially the application of electronic computer technology to various industrial and scientific fields, all kinds of electronic equipment require stable AC power supply, power supply directly can not meet the needs of the exchange of power supply to solve this A question.

Q:Design DC power supply, the need to output -5 ~ -8 V adjustable voltage, which regulator should be used, requiring input voltage of -11 ~ -15V: LM317 can output positive adjustable voltage LM337 can output negative adjustable voltage Both of these can meet your input voltage, output voltage range requirements.

Q:I have a 220v buck regulator output 12v power supply, how to calculate its output power? I measured with a digital multimeter output port voltage is 12v, and then transferred to the current block, directly to the meter measured power output port, did not show, is not the way to measure the current is not right? How to test specific Or there is no way to calculate the power of the power, I now know the voltage is 12v, but the current does not come out ah? Put away How do I know the power of my regulated power supply?: First, prepare a resistor (preferably the resistance wire, you can change the length of any), the resistance wire access circuit, measuring the no-load voltage and the ratio with the resistance wire voltage, constant adjustment of the length of the resistance wire, when the voltage is reduced by 10% , Measuring its current, this time is about the power of the full load power. Details can refer to the Chinese electronic DIY home of the relevant information

We positively introduces and nimbly utilizes the domestic as well as foreign advanced managerial experience and the specialized technology. We contributes to the technical R&D department which has become mature and perfect day by day.We have got ISO9001: 2000 international quality systems authentication.

1. Manufacturer Overview
Location	Zhejiang,China (Mainland)
Year Established	2005
Annual Output Value	US$5 Million - US$10 Million
Main Markets	South America; Eastern Europe; Southeast Asia; Africa; Oceania; Mid East; Eastern Asia; Western Europe; South Asia; Domestic Market
Company Certifications	CQC Certificate; CE Certificate

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Ningbo,Shanghai
Export Percentage	71% - 80%
No.of Employees in Trade Department	6-10 People
Language Spoken:	English, Chinese
b)Factory Information
Factory Size:	30,000-50,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range	High and/or Average