动力中心

KJSGZD动力中心系列

日期:2018-5-30 13:18:21 人气:2428


 主要用途 Main Application 

    矿用隔爆兼本质安全型动力中心由矿用隔爆型动力中心用干式变压器、矿用隔爆型动力中心用高压真空开关、矿用隔爆兼本质安全型动力中心用组合开关组成,适用于含有爆炸性气体和煤尘的矿井中,在交流50Hz、额定输入电压10KV或6KV,二次输出电压3.3/1.14(0.66)KV的供电线路中,对综合机械化采煤工作面大功率采煤机、掘进机、刮板运输机、破碎机、转载机、乳化液泵站等设备供、变电,实现对电动机的起动、停止,顺序,单、双、三机双速、多机单速的切换等集中控制和保护,并可在停止时改变相序。
    The mine explosion-proof and intrinsically safe load center consists of dry type transformer ,high voltage vacuum switch , Load center combined switch , is suitable for containing explosive gas and coal dust,  in ac 50 HZ, rated input voltage 10 KV and 6 KV, the secondary output voltage 3.3/1.14(0.66) KV power lines, the comprehensive mechanized coal mining working face high power coal winning machine, boring machine, scraper conveyor, crusher, reprint machine, emulsion pump, such as equipment supply and substation, for motor starting, stopping, sequence, single, double, compressors double speed, single speed switch of centralized control and protection, and can change the phase sequence when to stop.

 产品性能特点:

1. 一体化设计:本动力中心由干式变压器、高压真空开关、低压组合开关法兰式对接成一体,安装在统一平板车上,缩小了占地空间,减少了各设备之间的电缆连接,消除了中间电缆连接易出故障等安全隐患,提高了可靠性,有利于工作面的快速推进。
2. 中文人机界面:10.4英寸工控机,采用专利技术的隔爆型触摸屏,消除了按钮的不方便性,具有良好的动态显示画面,参数设定实行密码管理,记忆储存。
3. 通讯网络:提供标准的RS-485等通信接口,可以对波特率、通讯地址、奇偶校验等自由设定,方便于不同厂家设备组网通讯。
4. 隔爆主腔:采用多电压分腔技术,可同时输出3300V、1140V、660V、127V,可控制井下不同电压的设备,前后开门结构,前门为快开门,维护更换方便。
5. 功率单元:抽屉式驱动单元,快速插接、集成式模块,互换性好。
6. 控制系统:采用西门子工业控制编程器PLC构成的控制系统,集检测、控制、保护于一体,性能可靠,参数永久保存。
7. 保护功能:具有过载、断相、相不平衡、短路、过欠压、漏电闭锁、在线漏电、绝缘监视、超温、风电闭锁、瓦斯断电、后备等警示和保护功能。
8. 多级保护:具有电气闭锁、机电互锁、高低压联锁和独特的带电锁门功能。
9. 试验功能: 具有漏电闭锁、漏电保护和电缆绝缘监视等自检试验功能。
10.信号隔离:保护测控单元所有输入模拟信号采用专用隔离器件,杜绝电网电压扰动引起的测控保护单元烧损问题,抵抗井下电网谐波骚扰。
11.专利产品:采用专利技术的真空隔离换相开关,分断能力强、可靠性高、使用寿命长;并实现无载电源相序转换。
12.本安先导:先导回路为本质安全型,并具有控制线路短路或接地时防止自起动功能。
13.便捷引入:快速插接式电缆连接器、压盘式电缆引入装置等。
14. 智能化程度高、性能稳定、动作可靠。
15. 控制方式多样化:满足用户不同要求,不同现场编制不同程序,实现不同控制功能及各种负荷组合。

1. Integrated Design:The power center consists of dry type transformer, high voltage vacuum switch, low pressure combination switch flange butt into an organic whole, installed on the unified platform car, narrowed the covering space, reduce the cable connection between the equipment, eliminating the middle cable connection easy fail safe hidden trouble, improve the reliability, is advantageous to the rapid advance of working face.
2. Chinese Human-machine interface:10.4-inch industrial control machine, with the patented technology of the explosion-proof touch screen, eliminates the convenience of the button, has a good dynamic display screen, the parameter setting adopts the password management, memory storage.
3. Communication network:The standard rs-485 and other communication interfaces can be used for the free setting of baud rate, Correspondence address, parity check, etc, so as to facilitate the communication between different manufacturers.
4. Flame-proof main cavity:Using subsection cavity more electricity technology, at the same time the output 3300V,1140 V, 660V, 127 V, to control the equipment of different voltage, before and after the door, the front door open the door for quick, convenient maintenance replacement.
5. Power unit:Draw-out type drive unit, quick interpolation, integrated module, good interchangeability.
6. Control system: Adopts Siemens PLC industrial control programmer to form the control system, integrating detection, control, protection, reliable performance and parameters of the permanent preservation.
7. Protective function:It has the warning and protection function of overload, fault phase, phase imbalance, short circuit, under-voltage, earth-fault lock-out, leakage protection, insulation monitoring, over-temperature, air lock, qigong failure, backup and so on.
8.  Multilayer protection:  It has electric lock, electromechanical interlock, high and low pressure interlock and unique electric lock door function.
9. Test function:  It has the function of self - check test, such as leakage - lock, leakage protection and cable insulation monitoring.
10. Signal isolation:  All input analog signals of the protection measure and control unit adopt special isolation devices to prevent the damage caused by the voltage disturbance caused by the grid voltage, and resist the harmonic disturbance of the underground power grid.
11. Patented technology products:The vacuum isolation switch with patent technology is used to break the power, high reliability and long service life. And realize no-load power phase sequence conversion.
12. Pilot circuit:The pilot circuit is intrinsically safe, it also has control circuit short circuit or grounding to prevent self - starting function.
13. Convenient lead-in:Quick plug - in cable connector, plate-type cable introduction device, etc.
14. The intelligentized degree is high, the performance is stable, and the action is reliable
15. Diversity of control.:Meet the different requirements of the users, different procedures are prepared on the site to achieve different control functions and various load combinations.


 主要技术参数:Main technical parameters

动力中心型号

Power center model

KJSGZD-□(630-6000)/10(6)

高压真空

开关

high voltage

vacuum switch

 

额定值

10(6)KV

630(400、200、100)A

额定短路开断电流       Rated short circuit breaking current

25KA(12.5KA)

额定峰值耐受电流      Rated peak tolerance current

31.5KA

额定短路关合电流

Rated short-circuit closing current

31.5KA

额定短路电流开断次数 Rated short circuit current breaking times

30

保护功能

Protection function

采取数字保护,短路、过载、断相、过/欠压相不平衡、超温等保护                           Take digital protection, short circuit, overload, fault phase, over / under-voltage phase unbalance, over-temperature and so on

干式变压器  dry-type transformer

额定容量  rated capacity

KVA

630、800、1000、1250、1600、2000、2500、3150、4000、6000

一次电压

Primary voltage

 

KV

10/6

二次电压 secondary voltage

KV

3.3 / 1.14(0.66)

KJZ-2400/3.3、1.14(0.66)系列动力中心用多回路组合开关

Multi circuit combination switch for power center

输出回路数

Output loops

5~16回路  5~16loops

工作电流

working current

A

总电流1200~2400

total current

额定工作电压

Rated operational voltage

V

660

1140

3300

交流真空

接触器

Vacuum contactor

 

额定工作电流

Rated working current

单位

Company

接通能力

Ability to connect

分断能力   Breaking ability

极限分断能力

Limit breaking ability

630

A

6300

5000

6300

500

A

5000

4000

5000

400

A

4000

3200

4500

250

A

3000

2500

4500

200

A

2000

1600

4000

160

A

1600

1280

1600

125

A

1500

1200

——

80

A

960

800

——

本安参数

Intrinsically safe parameters

最大开路电压

Maximum open circuit voltage

V

13

最大短路电流

maximum short circuit current

 

mA

22


上一个: 变频器 3300