首页/ 题库 / [问答题]简要说明步进电动机静稳定区和动稳定区的概的答案

简要说明步进电动机静稳定区和动稳定区的概念。

问答题
2022-03-23 17:05
查看答案

正确答案
不改变步进电动机控制绕组通电状态时获得的矩角特性中O=0时T=0,这一点为步进电动机的稳定平衡点,当0=±π。时同样T=0,但这两点是不稳定的平衡点。两个不稳定的平衡点之间即为步进电动机的静态稳定区域。
步进电动机的动稳定区是指使步进电动机从一种通电状态切换成另一种通电状态而不失步区域。

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

A cabinet or space containing the controls or valves for the fixed firefighting system must be().
什么是自动稳定器?以税收制度为例说明自动稳定器的作用。
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
电气设备是按短路条件下进行热稳定和动稳定校验的。()
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier,he is absolutely responsible to the owner of the goods carried ()any loss or damage to them unless caused by an Act of God or the Queen’s enemies,or the inherent vice in the goods themselves,or the negligence of the owner of the goods,or a general average sacrifice.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
试分析步进电动机型怠速控制阀如何进行怠速稳定控制?
简要说明步进电动机静稳定区和动稳定区的概念。
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
广告位招租WX:84302438

免费的网站请分享给朋友吧