1.1JD-BP37型高压变频调速器简介
JD-BP37型高压变频调速器采用{zx1}型IGBT为主控器件，全数字化，彩色液晶触摸屏控制，以高可靠性、易操作、高性能为设计目标的优质变频调速器。经过多年研发，产品已广泛应用于冶金、石油、化工、电力、水泥、给排水、制药、造纸、污水处理等各个行业。成为精品，决非偶然。
风光高压变频器，采用若干个低压逆变器功率单元串联的方式实现直接高压输出，所用的6kv高压变频器，变压器有18组付边绕组，分为6个功率单元∕相，三相共18个单元，采用36脉冲整流，输入端的谐波成分满足国标规定，高压变频器系统结构，单元电路的主电路，旁路支路采用可控硅模块。
1.2JD-BP37型高压变频调速器主要技术性能
1.2.1高——高电压源型变频器，直接6KV输入，直接6KV输出，无须任何输出变压器或滤波器，适配于普通高压电动机，对电机、电缆绝缘无损害。
1.2.2输入功率因数高，电流谐波小，无须功率因数补偿、谐波抑制装置。
1.2.3单元电路模块化设计，维护简单，互换性好。
1.2.4高压主回路与控制器之间为光纤连接，强弱电隔离，安全可靠。
1.2.5完善的故障检测，xx的故障保护及准确的定位显示和报警。
1.2.6内置PLC，适应现场多变需求。
1.2.7控制电源与高压电相互独立，无高压可以检测变频器输出，便于现场调试以及培训操作人员，便于维护。
1.2.8功率单元经24小时高温老化、150％负载试验，可靠性高。
1.2.9中文Windows操作界面，彩色液晶触摸屏操作。
1.2.10可接收和输出多路工业标准信号。
1.2.11可打印输出运行报表。
2、控制原理及电气设备改造回路图
变频器控制3#循环泵，2#、1#循环泵一开一备。现在以冷却水母管压力为给定量，根据工艺所需母管压力调节循环泵转速，压力信号取自主管网，目标压力值设定在0.24Mpa。
3、高压变频器节电情况介绍
设备改造工程于2005年1月完成，高压变频器一次试车成功，运行正常，频率运行在40Hz左右，保证了循环水的正常温度。其节电相关数据为：
JD-BP37-type high-voltage frequency converter using the latest IGBT-based controller cases, all-digital, color LCD touch screen control, high reliability, easy-to-use, high performance goals for the design of high-quality frequency converter. After many years of R & D, product has been widely used in metallurgy, petroleum, chemical, power, cement, water supply and drainage, pharmaceutical, paper making, sewage treatment and other industries. Become a boutique, is no accident.
Beautiful high-voltage inverter, using a number of low-voltage inverter power modules connected in series to achieve a direct high-voltage output, 6kv used in high voltage inverter, transformers have to pay 18 Group side-winding, is divided into six power unit / phase and three-phase 18 units, using 36-pulse rectifier, the harmonic components of input to meet the national standard provides high-voltage inverter system structure, the main circuit unit circuit, bypass the use of thyristor modules slip.
1.2JD-BP37-type high-voltage frequency converter Main technical performance
1.2.1 high - high-voltage source inverter, direct 6KV input, direct 6KV output, without any output transformer or filter, Adapter ordinary high-pressure motor, the motor, no damage to cable insulation.
1.2.2 high input power factor, current harmonic small, no need for power factor compensation, harmonic suppression devices.
1.2.3 unit circuit modular design, easy maintenance, good interchangeability.
1.2.4 High-pressure between the main circuit and controller for fiber-optic connections, the strength of electric isolation, safe and reliable.
1.2.5 improve the fault detection, fault protection precise and accurate positioning of display and alarm.
1.2.6 Built-PLC, to adapt to changing needs of the scene.
1.2.7 Control of high-voltage power supply and independent of each other, no high-voltage inverter can detect output, ease of debugging and training operators, easy to maintain.
1.2.8 power unit by a 24-hour high-temperature aging, 150% load test and high reliability.
1.2.9 English Windows operating interface, color LCD Touch Panel operation.
1.2.10 can receive and output multi-channel industry-standard signal.
1.2.11 can run Report printout.
2, control theory and electrical equipment modified circuit diagram
Inverter control of circulating pump # 3, 2 #, 1 # 1 circulation pump prepared to open one. Jellyfish in the cooling tube is to give quantitative stress, according to the required process pressure regulator female pipe circulation pump speed, the pressure signal from the director network, the target value set at stress 0.24Mpa.
3, high-voltage power converter briefing
Equipment renovation project in January 2005 completed the first test the success of high-voltage inverter, operating normally, the frequency of operation at 40Hz or so, and ensure the recycled water of normal temperature. Its power-related data as follows:
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