UNS0887A-P 3BHE008128R0001 | UNS0867A-P V2 | 勵(lì)磁系統(tǒng)測(cè)量板
型號(hào):UNS0887A-P 3BHE008128R0001
目錄描述:勵(lì)磁系統(tǒng)測(cè)量板
產(chǎn)品凈厚度/長(zhǎng)度：450 毫米
產(chǎn)品凈高：47 毫米
產(chǎn)品凈重：0.67 千克
產(chǎn)品凈寬：290 毫米
勵(lì)磁系統(tǒng)測(cè)量板在電機(jī)運(yùn)行中扮演著重要角色，以下是對(duì)其的詳細(xì)介紹：
一、定義與功能
UNS0887A-P 3BHE008128R0001勵(lì)磁系統(tǒng)測(cè)量板是勵(lì)磁系統(tǒng)中的一個(gè)關(guān)鍵部件，其主要功能是為電機(jī)的線圈提供勵(lì)磁電流，從而產(chǎn)生磁場(chǎng)以驅(qū)動(dòng)電機(jī)運(yùn)行。此外，勵(lì)磁板還能保護(hù)電機(jī)免受過(guò)電壓和過(guò)流的損害，并在電機(jī)受到這些異常條件時(shí)自動(dòng)進(jìn)行調(diào)節(jié)，確保電機(jī)的正常運(yùn)行。
二、技術(shù)要求
勵(lì)磁系統(tǒng)測(cè)量板(如UNS0887A-P 3BHE008128R0001)的驅(qū)動(dòng)電路需滿足以下五種要求：
在開關(guān)管開通瞬時(shí)，驅(qū)動(dòng)電路應(yīng)能提供的充電電流使MOSFET柵源極間電壓迅速上升到所需值，確保開關(guān)管能快速開通且不存在上升沿的高頻振蕩。
在開關(guān)導(dǎo)通期間，驅(qū)動(dòng)電路應(yīng)能維持MOSFET柵源極間電壓的穩(wěn)定，確保導(dǎo)通狀態(tài)持續(xù)。
在關(guān)斷瞬間，驅(qū)動(dòng)電路應(yīng)能提供一個(gè)盡可能低阻抗的通路供MOSFET柵源極間電容電壓的快速泄放，確保開關(guān)管能快速關(guān)斷。
驅(qū)動(dòng)電路的結(jié)構(gòu)應(yīng)盡可能簡(jiǎn)單且損耗小，以提高整體效率。
根據(jù)實(shí)際情況，驅(qū)動(dòng)電路可能需要施加隔離措施，以確保系統(tǒng)的安全穩(wěn)定運(yùn)行。
三、應(yīng)用與范圍
UNS0887A-P 3BHE008128R0001勵(lì)磁系統(tǒng)測(cè)量板在各類電機(jī)中均有廣泛的應(yīng)用，其中最為常見的是交流電機(jī)和直流電機(jī)。在交流電機(jī)中，勵(lì)磁板通常由電容器、變壓器等組成，通過(guò)對(duì)交流電進(jìn)行整流、濾波處理，產(chǎn)生所需要的直流電流。而在直流電機(jī)中，勵(lì)磁板則由直流電源、限流電感等組成，通過(guò)對(duì)直流電進(jìn)行限流、穩(wěn)壓處理，確保勵(lì)磁電流的穩(wěn)定性。
Model :UNS0887A-P 3BHE008128R0001
Description: Excitation system measurement board
Product net thickness/length: 450 mm
Product height: 47 mm
Net weight: 0.67 kg
Product width: 290 mm
Excitation system measurement board plays an important role in the operation of the motor, the following is a detailed introduction to it:
Definition and function
UNS0887A-P 3BHE008128R0001 Excitation system measurement board is a key component in the excitation system, its main function is to provide excitation current to the coil of the motor, thereby generating a magnetic field to drive the motor operation. In addition, the exciter board also protects the motor from overvoltage and overcurrent damage, and automatically adjusts when the motor is subjected to these abnormal conditions to ensure the normal operation of the motor.
2. Technical requirements
The driving circuit of the excitation system measurement board (such as the UNS0887A-P 3BHE008128R0001) must meet the following five requirements:
When the switch tube is turned on, the charging current provided by the drive circuit should make the MOSFET gate source voltage rise rapidly to the required value, ensuring that the switch tube can be turned on quickly and there is no high frequency oscillation of the rising edge.
During switching, the driver circuit should be able to maintain the stability of the MOSFET gate source voltage to ensure that the on-state continues.
At the moment of switching off, the drive circuit should be able to provide a path with as low impedance as possible for the rapid discharge of the capacitor voltage between the MOSFET gate source electrode to ensure that the switching tube can be quickly turned off.
The structure of the drive circuit should be as simple as possible and the loss should be small to improve the overall efficiency.
Depending on the actual situation, the drive circuit may need to apply isolation measures to ensure the safe and stable operation of the system.
3. Application and scope
The UNS0887A-P 3BHE008128R0001 excitation system measuring board has a wide range of applications in various types of motors, the most common of which are AC motors and DC motors. In the AC motor, the excitation board is usually composed of capacitors, transformers, etc., and generates the required DC current by rectifying and filtering the AC current. In the DC motor, the excitation board is composed of DC power supply, current limiting inductance, etc., through the DC current limiting, voltage stabilizing treatment, to ensure the stability of the excitation current.
In addition, with the continuous development of science and technology, the application range of excitation boards is also expanding. Nowadays, it has been widely used in power systems, industrial production and new energy fields, and has become an indispensable part of motor operation.
