Skip to main content

What is the principle of a power transmitter?

The power transmitter is a combination of multiple precision parts and requires careful use and maintenance. Before using a power transmitter, you need to know its principle.

What is the principle of a power transmitter? Introduction to the principle and characteristics of power transmitters

Principle of power transmitter

transmitter
transmitter

The power transmitter is mainly composed of three-phase isolated sampling circuit, A/D converter, single chip microcomputer, DSP device, D/A converter, calibration amplifier and special thick film integrated V/I converter.

After the three-phase AC input signal passes through the three-phase isolation sampling circuit, the common ground tracking voltage signal of the three-phase current and the three-phase voltage signal is formed. Under the control of the single-chip microcomputer, the A/D converter performs multi-point synchronous sampling on it, and the sample is obtained The data is calculated by the DSP device according to the principle of electrical engineering to calculate the three-phase active power (digital quantity) of the measured signal, and then the digital signal representing the three-phase power is converted into an analog quantity by the D/A converter, which is amplified and calibrated by the calibration amplifier Then, a direct current voltage output VZ is formed; the VZ output is passed through a dedicated thick film integrated V/I converter to form a 0-20mA or 4-20mA direct current output IZ.

Performance characteristics of power transmitter

As a professional instrument salesperson, you must be familiar with the characteristics of power transmitters and be more professional when communicating with customers.

The three ports of analog output, input, output, and power supply are isolated from each other.

Good linearity and high precision.

Automatic zero calibration and excellent temperature characteristics ensure the long-term stability of the instrument and avoid the need for periodic calibration of the transmitter.

All parameters are digitally calibrated. The analog adjustment of the conventional potentiometer is abandoned, the hardware circuit is simplified, and the reliability and stability of the whole machine are improved.

Perfect electromagnetic compatibility design, with strong anti-electromagnetic interference ability.

Full use of SMT devices, so that the product has the advantages of small size, low power consumption, and light weight.

Digital output

The input is isolated from the power supply and the output. For power transmitters using optical fiber transmission, the optical fiber not only plays a transmission role, but also plays a role in isolation. It can completely avoid the loss and interference of the transmission link, and is suitable for high-precision measurement in various complex electromagnetic environments;

The digital output transmitter is convenient for networked and intelligent applications.

The digital output power transmitter can form a virtual instrument together with the transmission system and the host computer. The function and display mode of the virtual instrument are determined by the software, which can realize multi-parameter values, meters, real-time waveforms, trend curves, and bar graphs. , Pie chart, vector diagram and so on.

Comments

Popular posts from this blog

How does an auto parts company develop

With the party branch as the core of the bank's guidance, the socialist state-owned enterprise must have a strong and combative party organization, so that the majority of employees can have cohesion and the enterprise can compete with the outside world. The three are complementary and mutually supportive. Promoted. The key to the problem lies in whether the party organization has combat effectiveness. If the leadership team has fully played its role, it can unite the masses closely and enable the enterprise to forge ahead toward a common goal. In turn, if the mass foundation is good and the enterprise situation is good, the party organization can be more effective. Work well. The success of Zhanjiang Auto Parts Company fully illustrates this point. They mainly focused on the following tasks: The first is to enhance the combat effectiveness of the leadership team. Party branches and leading cadres are required to have a higher political level and profess...

The heat treatment process of auto parts consumes a lot of energy

  The heat treatment process of auto parts consumes a lot of energy, so it is necessary to work to reduce the energy consumption in each treatment stage, which includes furnace improvement, carburizing process control, quenching medium, cooling rate, etc. However, the operation of these processes is directly related to the properties and hardenability of the processed steel with different compositions. In order to meet the requirements of advanced heat treatment technology, various types of steel have been studied from smelting. The improvement of these steels and related technology has greatly improved the performance and processing productivity of auto parts. The chemical composition and hardenability of steel are the key factors to obtain the best heat treatment effect for auto parts. In order to obtain high-quality small-modulus gears in automotive products, it is necessary to carefully control the surface and core hardness of the gears. The develo...

Powerex CM400DY-24A

# CM400DY-24A Powerex CM400DY-24A New 400A/1200V/IGBT/2U; N Channel 400 A 1.2 kV 2.71 kW 1.2 kV Module, CM400DY-24A pictures, CM400DY-24A price, #CM400DY-24A supplier ------------------------------------------------------------------- Email: sales@shunlongwei.com https://www.slw-ele.com/cm400dy-24a.html ------------------------------------------------------------------- CM400DY-24A Features  · Low VCE(sat)  · Compact package  · P.C. board mount  · Converter diode bridge, Dynamic brake circuit Applications · Inverter for motor drive · AC and DC servo drive amplifier  · Uninterruptible power supply Maxim um ratings and characteristics  .Absolute maximum ratings (Tc=25°C unless without specif...