Product Center >> Monitoring and Protection Cabinets >> LCU Panels

Characteristics of LCU panel

LCU panels from Addnew have functions of control, regulation, protection and communication. It is divided into auto control LCU panel, public system LCU panel, switch yard LCU panel and gate auto control LCU panel.

Product features of LCU panel
* ADDNEW’s LCU panels adopt PLC of international famous brands (Schneider, Omron, GE, Siemens) plus colorful touch screen.
* Unit control adopts PID regulation with fast regulation. It can finish the overshoot within 3 swings.
* Adopt 100Mbps high speed Ethernet communication.
* Adopt GGD big glass structure. The glass gate is made from aluminium profile with protection class of IP42.
* Outline dimensions: 2260x800x600 (HxWxD). The external surface is painted, and the internal part is equipped with earthing copper bar. The front and rear door are grounding by copper braided wire with base plate sealing to prevent snakes and rats coming in.
* Adopt auto control technology of PLC plus touch screen.
* Adopt PLC of international famous brand with double CPU, double Ethernet, and double power if high level LCU panel is required.
* It can form the star type Ethernet or ring form Ethernet with upper computer and other equipments of the project.
* It can form double star-shaped type Ethernet or double ring type Ethernet with upper computer and other equipments of the project, if standard is high level.
Main functions of LCU panel
Unit auto control LCU panel:
It is used for turbine and generator units of any capacity and type.
1. Finish unit auto start up, synchronization, shutdown, generator active power regulation, reactive power regulation and generator working condition switch.
2. The measurement of any electric quantity and non electric quantity parameter.
3. Turbine protection (bearing temperature, guide vane, load rejection).
4. Inlet valve control, including butterfly valve, gate valve and spherical valve.
5. Connect to upper computer Ethernet.

Public LCU panel:
It is used for oil ,gas and water system.
1. Finish the control, regulation, protection and communication of oil, gas and water system.
2. Measurement of the pressure parameter for oil, gas and water.
3. Measurement of reservoir water level, forebay level and tail water level.
4. Control and communication of DC power.
5. Communication of electricity metering.
6. Connect to upper computer Ethernet.

Switchyard LCU panel:
It is used for switch yard.
Control for each circuit breakers of the switch yard.

Gate auto control LCU panel:
It is used for any kind of gate.
1. The auto control, regulation, protection and communication for each gate (bulkhead gate, radial gate, single hanging and double hanging).
2. Equipped with opening degree sensor, load sensor to measure gate opening degree and load.
Technical parameters:
* Adopts PLC of international famous brands (Schneider, Omron, GE, Siemens) plus colorful touch screen.
* Unit control adopts PID regulation with fast regulation. It can finish the overshoot within 3 swings.
* Adopt 100Mbps high speed Ethernet communication.

Every product, equipment, service and whole-system from ADDNEW will be specially designed and customized according to each customer's requirements and based on the conditions of each project site such as the head, flow and plant configuration. If you need us to design a techno-financial proposal for your project, please send us your specific requirements now, our sales engineers will contact you the soonest.

Partner with Addnew Hydropower Limited and benefit from the following advantages in hydropower business:
> Water-to-wire total solutions and complete plant integration;
> High levels of quality, performance and reliability;
> 36-year expertise and experience from more than 1,000 successful projects;
> Competitive prices from efficient management;
> Promptness in both equipments' delivery and technical support.