1C31116G04
1C31116G04
1C31116G04
无功功率对供电系统和负荷的运行都是十分重要的，电力系统网络元件的阻抗主要是电感性的。在电力系统中，粗略的说，为了输送有功功率，就要求送电端和受电端的电压有一相位差，这在相当宽的范围内可以实现；而为了输送无功功率，则要求两端电压有一幅值差，这只能在很窄的范围内实现。不仅网络元件消耗无功功率，大多数负载也需要消耗无功功率，网络元件和负载所需要的无功功率必须从网络中获得。显然，如果这些无功功率都是由发电机提供并经过长距离的传输是不合理的，也是不可能的，所以最合理的方法是在需要消耗无功功率的地方进行无功补偿
engineering station and several operators
stand. ControlBuilderF engineering station configures and adjusts the system
Mode. Usually, we can use portable devices such as notebooks to
The system is now configured in the office and on site. Operator-level PC
Can also be used as an engineer station. Engineer standing during system uptime
Intervals can be closed without a permanent connection to the system.
Freelance 800F Process Control Stage
At the process control level, the Freelance 800F system can be controlled by
It consists of a number of process control stations connected to I/O units. you can choose this
Some process stations are in redundant mode (CPU redundancy, fieldbus module redundancy
redundant) or non-redundant mode. Modular pluggable input/output modules
Blocks are freely selected and used according to the type and number of system process signals.
AC800F controller connects remote I/O or field device via fieldbus
ready.
system communication
Communication between operator level and process control level using TCP/IP
Protocol system bus (based on Ethernet), you can choose different
transmission medium such as AUI, twisted pair, fiber optic or coaxial cable.
Freelance OPC server for connecting to higher-level operators
station (800xA) or other OPC client. Freelance Control System
Real-time process values ??and alarms in the system can be accessed via OPC.
We also provide a C language programming interface to embed external
In Windows operating system applications, it is suitable for implementing user
Communicate with non-standard OPC, ie DMS-API software package.
Project database
All configured signals, variables and process points are in Freelance
800F system’s public database for management.
● List of all variables (input, output, internal variables)
● Process point list (function block)
●Graphics
●Program
Because the database is system-wide. The data only needs to enter a
times, to avoid possible errors caused by multiple configurations.
Project database files can be easily archived or backed
