AC Automatic Voltage Regulator CS TNS Series

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 500PCS pc

Supply Capability:: 3000PCS per Month pc/month

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Packaging & Delivery

Delivery Detail:

25 days

Specificatons

1.Adopted compensate voltage technology

2.Wide input voltage range

3.Over voltage protection

4.Output voltage three phase auto-balance

5.High precision of output voltage

6.With bypass system

7.Anolog,LED display optional

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:The main reason for the instability of the output voltage of the regulated power supply (only about thirty words is briefly summarized): The main reasons are the following: 1. As the input voltage is unstable (usually AC power grid allows ± 10% of the fluctuations), resulting in rectifier filter circuit output DC voltage instability 2. As the rectifier filter circuit internal resistance, when the load changes, causing the load current changes, so that the output DC voltage changes 3. Since the parameters of the electronic components (especially the conductor devices) are related to the temperature, when the ambient temperature changes, the circuit component parameters are changed, resulting in a change in the output voltage 4. Rectifier filter obtained after the DC voltage will still have a small amount of ripple components, can not be directly supplied to those who require a higher power quality of the circuit. Therefore, the rectified filtered DC voltage must take some voltage regulator measures to meet the needs of electronic equipment. Commonly used DC voltage regulator circuit with parallel and series voltage regulator circuit two types. Above is the DC voltage regulator output voltage stability of the reasons for the simple analysis, we can combine the actual use of the situation to conduct in-depth analysis.

Q:BEC (UBEC) and adjustable buck regulator power supply is different: BEC full name is battey elimin In the electric circuit set up a circuit module, the 12V battery output voltage turn Switch to 5V-6V to the receiver and steering gear and other electronic equipment (of course, the motor or 12V power supply) This eliminates the need for that 5 V battery This is the origin of the BEC (battery-free circuit) name. BEC mostly use linear regulator, linear regulator of the excellent way

Q:What is the use of negative pressure power supply output negative pressure: Most analog amplifiers have negative voltage, and some digital circuits also use negative voltage. The amount of negative voltage, multimeter hit DC voltage DC block, red pen on the ground, black pen on the negative voltage can be measured.

Q:What is the main domestic DC power supply brand? Need cost-effective? Quality assurance: Intel Rock, Guwei, Edwards, the more popular use of domestic brands, Guwei, Edward brand history to be a long time, Intel is a relatively new star brand, three of the quality are

Q:What is the main purpose of DC power supply?: UTP3700 series DC power supply is a laboratory general power supply, I, II two with constant voltage, cross flow function (CV / CC) with these two modes can be automatically changed with the load changes. With the master and slave from the work function, I Road for the main road, II way from the road, in the tracking state, the output voltage from the road with the main road changes, which need symmetrical and adjustable bipolar power supply Occasions are particularly applicable. I, II two-way each can be output 0-32V, 0-2A / 3A / 5A / unipolar or 0- ± 32V, 0-2A / 3A / 5A / dual power supply. Each output has a digital display indicates the output parameters, easy to use, can effectively prevent malfunction caused by damage to the instrument. III for the fixed 5V, 0-2A DC power supply for TTL circuit test, single board machine, single-chip power supply, safe and reliable. UTP3700 series modeling novel and beautiful, reasonable structure design, with high stability, high reliability, excellent performance, low price. Applicable to the production, scientific research, experiment, teaching and other fields.

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 what brand of the better ah: Domestic: Interlock, Guwei, Edwards. Foreign: Agilent, Kikuchi.

Q:There are two ways. Each way has a positive, negative, ground. The With a multimeter measuring time, red table pen is positive, black pen with negative, can measure the voltage. What is this doing? Before the measured voltage is not one end of the positive, one end of the ground, can be measured without voltage, how is it? The The I used a double-ended op amp and found that the output did not respond (I measured the op amp's output and ground). To check the power, this time depressed, and I thought that the positive side and the ground is positive voltage, measured negative and ground is the negative voltage.: Positive and ground is positive voltage, measured negative and ground is negative voltage. it is necessary

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?: When measuring the current to the meter in series in the circuit, that is, first disconnect the circuit and then disconnect the meter at both ends.

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1. Manufacturer Overview
Location	Zhejiang,China (Mainland)
Year Established	1997
Annual Output Value
Main Markets	South America 3% Eastern Europe 4% Southeast Asia 10% Africa 25% Oceania 3% Mid East 5% Eastern Asia 5% Western Europe 2% Central America 3% Northern Europe 1% Southern Europe 1% South Asia 3% Domestic Market 30% North America 5%
Company Certifications	CE; CE Certificate for DC Power Supply; Association Techenologie Nouvelle De France; Certificate of UPS

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

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage	71% - 80%
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	8
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range