泰鼎矿机

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DC Speed Control System
DC Speed Control System

DC Speed Control System

SDTDK series electric control equipment, according to user requirements, can provide high-voltage, low-voltage with power brake, string resistance speed regulation ordinary type; single motor, double motor drive, etc.. The system consists of motor forward and reverse circuit, rotor resistance removal control circuit, adjustable brake and speed limit protection control, power braking circuit, rope regulation signal and interlock circuit, safety circuit interlock and auxiliary circuit. The encoder and Hall sensor are used as the closed loop of equal speed section and deceleration section over speed when used with adjustable brake and power brake to make the system achieve safe and stable deceleration and braking stop.

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DC Speed Control System
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+86-13905387895

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DC Speed Control System

SDTDK series electric control equipment, according to user requirements, can provide high-voltage, low-voltage with power brake, string resistance speed regulation ordinary type; single motor, double motor drive, etc.. The system consists of motor forward and reverse circuit, rotor resistance removal control circuit, adjustable brake and speed limit protection control, power braking circuit, rope regulation signal and interlock circuit, safety circuit interlock and auxiliary circuit. The encoder and Hall sensor are used as the closed loop of equal speed section and deceleration section over speed when used with adjustable brake and power brake to make the system achieve safe and stable deceleration and braking stop.

System Control Method:

The system is manually controlled and has the following five basic operation modes.
(1) electric acceleration - equal speed operation - power brake deceleration.
(2) electric acceleration - equal speed operation - electric deceleration.
(3) Electric acceleration and power braking operation and power braking deceleration.
(4) Foot pedal power brake deceleration.
(5) Power brake acceleration, power brake operation at equal speed - power brake deceleration.

Power brake cabinet (low frequency power cabinet)

Product features
The main circuit of power brake is powered by silicon controlled rectifier, which has the following advantages compared with the unit.
(1) The system has excellent dynamic and static characteristics, and can be put into speed closed-loop operation; (2) Light weight, small footprint, easy to install and maintain.
(3) No rotating parts, no noise, saving electricity and metal materials; .
(4) Easy operation, reliable operation, can improve lifting efficiency.
(5) There is a backup trigger device and main circuit components, when there is a failure, it is simple and convenient to replace.

 

Contactless rotor cabinet

◎Product Features:
SCR rotor cabinet has the same wiring strucure with the former rotor contactor, and the
cabinet functions to switch resistance during acceleration. The system is mainly composed
of the SCR and rigger circuit Compared with oniginal contactor, it has advantages of non-
contact, small power consumption, less noise, smooth operation and less maintenance.
◎Brake mode:
Brake mode is done by the PLC and UPS power supply to achieve safety brake. The
system can be divided into:
(1) Service brake during nomal stop;
(2) Safety brake after the lfting.
(3) First electrical brake then safe brake;
(4) Direct salety brake,
 		 直流调速系统

 

直流调速系统
 

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