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•Schneider Electric 2012 Seminar Schedule

Low Voltage Motor Control Centers
Low voltage motor control centers (MCC) are the backbone of most water and wastewater facilities. Motor control centers supply power to the raw water pumps, coagulation/flocculation drives, backwash and discharge pumps and many other motor loads in a water facility. The MCC is also prevalent in wastewater facilities for loads such as aerators, mixers and blowers, as well as return and activated sludge, influent, transfer and discharge pumps. Motor control centers normally contain conventional and solid state motor starters, AC drives, panelboards and transformers, power monitoring and control, PLCs, I/O and human machine interfaces (HMI). For remote areas these motor control centers may be the power distribution and control stations.

Model 6 MCC
The Model 6 motor control centers enclosure is built to be this backbone with industrial grade features specially engineered to deliver rugged, dependable service for years to come.

• Standard section dimensions of 20" W x 90" H x 15" or 20" D
• 12-gauge steel frame and welded corner channels for exceptional structural rigidity
• Structure braced for 42K AIC as standard and built to meet or exceed UL, NEMA and EEMAC standards
• Full-depth vertical wire way to provide maximum wire pulling area
• Horizontal bus located at the top of the structure for easy installation, inspection and maintenance without having to remove units
• Captive horizontal splice bars to prevent bar loss and make connecting sections for reliable, long-termperformance
• Tin-plated copper bussing supplies an excellent electrical connection
• Vertical ground bus in each section which mates with ground stabs on the rear of each plug-in unit creates a positive ground connection
• Rugged, quarter turn fasteners on unit and wireway doors reduce installation and maintenance time

Packaging everything into a motor control center is common in water and wastewater facilities. This reduces installation costs and centralizes equipment for access and maintenance by facility personnel.

The following components can be specified in the motor control centers. Main breakers or fusible switch

• FVNR, FVR, 2–speed starters, reduced voltage, wye-delta starters
• NEMA Sizes 1 - 6
• Branch feeders with circuit breakers or fusible switches
• Variable speed drives to 400HP
• Automatic transfer switches
• PLCs
• TVSS – UL listed units with surge protection for 120kA to 320kA surge capacities
• Solid state overloads
• Solid state reduced voltage starters
• Powerlogic® monitoring systems
• Distribution transformers and panelboards

Intelligent Motor Control Centers (IMCC)
Extending the capabilities of the Square D® Model 6 motor control center (MCC) family, the IMCC offers advanced automation capabilities and unparalleled flexibility in an innovative design featuring customized versions to meet your application needs. The IMCC gives you multi-network access, plug-in network adapters to simplify future changes, and reduced acquisition, installation and commissioning costs. Intelligent MCCs are available in three customized versions:

• Basic – Distributed I/O pre-wire in motor control center
• Flex – Networked motor control and distribution units without traditional hardwiring. A Momentum™ Interface represents the entire motor control center as a single node on the network of your choice.
• Enhanced – Integrated data acquisition and control over one network connection

Click Here To Download:
•Catalog: Model 6 Motor Control Centers
•Catalog: Packaged Altistart 48 Soft Starts
•Datasheet: Model 6 Motor Control Centers with DeviceNet™

Medium Voltage Motor Control Centers
Motorpact™ medium voltage motor control centers are normally used to supply and protect large blower, lift, transfer and service pump motors 200HP and above in water and wastewater facilities. Feeding large motors with lower voltages (480V) becomes cost prohibited because equipment sizes get very large, limited or unavailable and multiple sets of conduit and cable are needed.

Motorpact is designed and manufactured to meet your power and process control challenges. Our motor controllers' feature industry-first innovations that provide unmatched performance, high reliability, low maintenance and exclusive technologies.

Optional features include:

• Added personal protection can be provided with our arc resistant enclosures
  
• Load grounding switch capable of closing into 5000A, which can help eliminate the need for ground bails and straps

Click Here To Download:
•Brochure: Motorpack Medium Voltage Motor Control
•Catalog: Motorpact Medium Voltage Motor Controllers
•Application Guide: Motorpact Medium Voltage Motor Controller

Power Management
Many water and wastewater plant managers have reached the same conclusion about their electrical power systems. By employing sophisticated power monitoring equipment to analyze historical and real-time data, they can reduce the cost of electricity and improve its quality and reliability. Their conclusion? Intelligent analysis of power data prevents electrical system problems and saves money. Listed below are some of the benefits to be had from a power monitoring system.

• Provides a better understanding of electrical system loading and demand. which helps cut capital cost from over designing when plant expansions or modifications are needed
  
• Easier to compare electric bills (kWHs) with utility company statements
  
• Reveals voltage sags and disturbances that may be causing critical equipment to trip off-line, such as variable speed drives
• Easier to troubleshoot system problems such as faults or harmonics
  
• Helps provide a better understanding of entire electrical system

Circuit Monitors
Circuit monitors are typically used to monitor power system parameters on medium voltage switchgear and motor control centers, 480V substations, switchboards and motor control centers. Locating them on this equipment enhances your ability to completely understand and troubleshoot your power system when needed. Circuit monitor features include:

• Provides all basic and advanced metering functions while providing a 0.04% typical accuracy rate
  
• Available with 14 data logs and up to 32MB of memory
  
• Offers three types of waveform capture – steady state, disturbance and adaptive
  
• Detects sag/swell to less than 1/2 cycle
  
• Provides trending and forecasting functions
  
• Optional Web-enabled access directly to meter
  
• 5MHz sampling rate that allows detection of transients lasting only one microsecond (available with CM4000T)
  
• GPS time synchronization option

Power Meters
Power meters are typically used on feeder breakers for medium voltage switchgear and low voltage switchgear or switchboards. They are also used downstream on low voltage MCCs, power distribution switchboards and panelboards. These devices have become very powerful and provide more monitoring capabilities than circuit monitors manufactured in the late 1990s. Power meter features include:

• Basic metering functions allow metering of current, volts, power, energy and demand readings
  
• Power quality readings include total harmonic distortion for current and voltage readings
  
• Min/max values
  
• Alarm/relay functions
  
• Event and data logging on pre-configured values
  
• Ethernet communications available via Transparent Ready®

Click Here To Download:
•Brochure: PowerLogic® Energy and Power Management Systems
•Brochure: Utility Cost Reduction Solutions
•Brochure: Energy Reduction & Reliability Solutions

Power Quality
Power electronic loads such as drives, ozone generators and UV filtration equipment have one major drawback in common: they produce harmonics. Harmonics may disrupt other loads and increase operating costs and lower the reliability of the electrical network. In addition, applying power factor correction is complicated by the presence of harmonics in a network. Schneider Electric offers many types of harmonic filtering and power factor correction solutions to address these common problems.

AccuSine PCS: More than a Harmonic Filter
Square D® AccuSine PCS dynamically corrects power quality by providing:

• Active harmonic filtration
  
• Resonance prevention
  
• Power factor correction
  
• Dynamic VAR compensation

AccuSine PCS can be universally applied for all types of harmonic generating loads, even on the same supply bus. It can be applied on sources rated 208V to 480V, 50Hz or 60 Hz. Additionally, the performance is the same regardless of the source characteristics. AccuSine PCS is offered in standard NEMA 1 enclosure or in the Model 6 motor control center. Other enclosure types are available upon request.

AccuSine is designed to meet the most stringent level of IEEE 519-1992 Table 10.3 at the PCC with a utility, at an internal bus, or at an individual nonlinear load. Using AccuSine in conjunction with 6 pulse drives is often more cost effective than using 18-pulse drives as a means to reduce harmonic distortion.

Reactivar® Power Factor Correction Capacitors & Passive Harmonic Filter Systems
When the total content of nonlinear loads is less than 15% of all loads, fixed or stepped power factor capacitors can be used for displacement power factor correction. Products such as the AV4000 and AV5000 series are excellent choices.

When the total content of nonlinear loads is less than 50% of all loads, fixed or stepped detuned power factor systems, AV6000/AT6000, or fixed or stepped 5th harmonic tuned filters, AV7000/AT7000, are good product choices. In all cases, be sure to perform simulations to insure that capacitor resonance does not occur.

When the nonlinear load content exceeds 50% of the total loads, AccuSine PCS is typically the best solution.

Click Here To Download:
•Brochure: Power Correction and Harmonic Filtering
•Case Study: AccuSine At A Waste Water Treatment Plant

Transparent Ready™ Equipment
Schneider Electric is the first manufacturer in the world to provide Ethernet connectivity across our comprehensive portfolio of power distribution equipment. We call this innovative technology platform Transparent Ready Equipment. It's simply the easiest and most open solution for accessing information about your water or wastewater electrical systems.

All Transparent Ready Equipment products feature an Ethernet connection and embedded Web server, designed to organize valuable information for easy access from any computer on your network using any standard Web browser. By making it simple to connect your power equipment, we help you get the actionable information you need to reduce costs, and increase productivity. Transparent Ready Equipment is Web-enabled via the following PowerLogic® technology.

Intelligent devices are connected to the LAN via a Powerlogic Ethernet Server:

• CM3000/4000 with ECC Ethernet card
  
• EGX Ethernet gateway, or
  
• Power server (with optional local display)

Obtain data from any of these devices:

• Masterpact® or PowerPact® circuit breakers with Micrologic® trip units
  
• Sepam 1000+ medium voltage protective relays
  
• Circuit monitors: CM4000, CM3000 or CM2000
  
• Power meters, enercept or energy meters
  
• Model 98 transformer temperature controllers
  
• PLC-based auto transfer schemes
  
• Retrofit Enercept power monitoring meters
  
• Altivar® drives
  
• Motor Logic® solid state overload relays
  
• Momentum™, Premium™ and Quantum™ PLCs

Click Here To Download:
•Brochure: Transparent Ready - Web-enabled Power and Control
•Brochure: Transparent Ready Power Distribution Equipment
•Handout: Transparent Ready Power Distribution

Click Here For More Information:
•Schneider Electric 2012 Seminar Schedule