Applications of SCADA

Applications of SCADA

What is SCADA?

• SCADA stands for Supervisory Control and Data Acquisition.
• SCADA is a computer-based system to analyze real-time production data. SCADA monitors and manages alarms, and programs for automatic responses triggered by system parameters.
• SCADA system is a very essential tool for process automation.
• It helps to be aware of potential network issues.
• It makes informed decisions to respond accordingly on time.
• It is a type of remote monitoring system to manage and control equipment to eliminate human error.
• SCADA is widely used in various sectors such as chemical, gas, water, communications, and power systems.
• SCADA is a combination of software and hardware elements for process industries to

• Process Control & monitor in real-time from a remote location
• Analysis & calculation of complex processes & maintaining control signals accordingly.
• Data Acquisition, Historical Data Logging, Archiving & Retrieving
• Trend & Alarm Generation
• Recipe Management in Process & Chemical Industries
• Report Generation

Applications of SCADA include

1.Electricity Generation, Transmssion, and Distribution Systems:

• SCADA systems are used in electric power generation plants, transmission areas, and distribution systems.
• SCADA systems monitor each and every phase of the generation of electricity from fuel input to electrical output.
• SCADA systems can also be used to monitor and control electrical switchboards, Grids, and transmission lines.
• SCADA monitors and controls the actual electrical power being transmitted over long distances.
• This system responds to load fluctuations instantaneously.

2.Manufacturing Industries or Plants:

• A SCADA helps in managing various raw materials or inventory items, to control automated systems in synchronous order.
• SCADA precisely controls every plant operation to ensure all systems run smoothly and meet productivity targets.
• SCADA tracks the number of units produced, & measures process values such as temperature, pressure, and humidity at various production phases.
• It also controls assembly line robots.

3.Food & Pharma Production:

• SCADA system monitors and controls all stages of the production unit.
• Controls the exact mixture of required ingredients.
• Monitors the time and temperature required to manufacture & process food & beverages or pharmaceutical products.
• SCADA documents data to prove the production meets the industrial standard and government regulations.

4.Telecom & IT-based systems:

Managing different Radio Frequency based systems, communication mediums, and large communication systems such as logging data and information through an antenna using a SCADA system is very easy.

5.Water Treatment Plants, Sewage Treatment Plants, & Supply Management:

• Municipal Corporations and other government sectors are using SCADA for monitoring, controlling, and regulating the level and flow of water in dams & reservoirs.
• SCADA system monitors and controls the water being pumped from bore wells and treated at WTP.
• This system controls flow rate sensors and contaminant sensors.
• This controls the booster pump to regulate the water pressure supplied to the process.

6.Traffic Controls:

• In metropolitan cities, SCADA regulates traffic signal lamps, detects signals out-of-order, & controls traffic flow.
• In railway systems, on-road systems, & airlines the traffic flow is controlled by the SCADA system.

7. Lift & Elevator Controls:

SCADA system can also be used to lift and control elevators in commercial malls and in large industries.

8.Buildings & Society Environments:

Facility managers use SCADA to control High Voltage AC, refrigeration units, lighting, and entry systems.

9.Oil & Gas Systems:

• SCADA system monitors wells and pumping sites, pumping pressure, pipeline flow, and compressor stations.
• It detects irregularities to prevent catastrophic events from occurring for safety.

10.Mass Transit & Railway Traction:

• Transport authorities use the SCADA system to
• Control supply of electricity to subways, trams, and trolley buses.
• To automate traffic signal indication for railways.
• To track and locate trains and buses.
• To control railway crossings.
• SCADA protocols also regulate electricity in remote locations.

SCADA in Power transmitting Systems

1. Re-routing services for station maintenance
2. Service Restoration
3. Protective relay interface/interaction
4. Voltage regulation management
5. Load tap changer control
6. Transformer management
7. Real-time modeling.
8. Automatic control of circuit isolation.
9. collective switch control display
10. Interface real-time single-line displays
11. On-line operation and maintenance logs
12. Automatic system diagnostics through system alarm management.

Some of the applications are

• 综合经营计划和控制
• Fuel resource scheduling
• Optimum power flow
• Network security
• Economic dispatch
• Generation dispatch control

Benefits of SCADA for Power Systems

• Improved quality of service
• Improved reliability
• Reduced operating costs
• Maintenance /Expansion of customer base
• Ability to defer capacity addition projects
• High-value service providers
• Improved information for engineering decision
• value-added services
• Flexible billing option
• Improved customer information access
• Reduced system implementation costs
• Reduced manpower requirements

The general features of a SCADA substation system are

• Substation parameter monitoring
• Controlling electrical network components remotely
• Safety tagging
• High-resolution time stamping
• The sequence of event reporting for post-event analysis

Additional features of the substation control system

• Demand side management
• Volt/VAR control
• Preventive maintenance
• Fault detection isolation and restoration.

SCADA for Power Utility Network

• Power Utility Network (PUN) software provides an electrical utility with tools to enhance system operation at a very low cost.
• The PNU software consumes real-time SCADA data.
• PNU logic is a combination of both mathematical and logical techniques.
• The present scenario is to produce and distribute quality power at the minimum investment.
• Proper operation of the electrical network & having real-time data about the network helps to achieve the required goal.
• PNU provides the user with a host of applications to distribute automation.

Features of Power Network Utilities

• Component Modeling
• State Estimation
• Bad Data Suppression
• Contingency Analysis
• Fault Isolation/Islanding
• Load Shedding
• Volt/VAR Scheduling
• Dispatcher Power Flow
• Short Circuit Analysis
• Network Topology Processor

Objectives of SCADA

There are many objectives of the SCADA System.

• Improves overall System efficiency such as capital & energy.
• 公司reases penetration of energy sources along with renewable energy sources.
• Reduces energy requirements at generation and transmission sections
• 公司reases sequence to essential loads.

The application of SCADA

• In power plants, the SCADA serves the invaluable safety and protection
• This system attempts to solve the fault that occurred and restore power quickly when a fault is experienced in a transmission line.

SCADA Advantages

• Receiving real-time information to monitor equipment
• Remote industrial control
• Storage of performance data for later analysis
• It allows for dynamic maintenance and reduces downtime

Frequently asked Questions

What are the four types of SCADA?

The SCADA systems are classified into four types

• Monolithic SCADA system,
• Distributed SCADA system,
• Networked SCADA system, and
• I-o-T SCADA system.

What is an example of SCADA?

Basically, SCADA systems control and monitors physical processes. General examples of SCADA are

• Transmission of Electricity,
• Transportation of Gas & Oil in Pipelines,
• Water Distribution,
• Traffic Lights.

What are the four functions of SCADA?

The four primary functions of the SCADA system are:

• Data Acquisition,
• Network Data Communication,
• Data Presentation,
• Data Control.

What language is SCADA?

• Most SCADA systems are now programmed using standard interfaces.
• Basically, C, or a derived programming language is used as a SCADA language.

What is the main function of SCADA?

The basic function of SCADA systems are

• Collects field information,
• Transfer it to the main computer.
• 显示进程信息作为图形再保险presentation.