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Multi-Maxx

by Dynamic Energy Systems · Since 2003
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Active1+ countriesCloud
Quick facts
VendorDynamic Energy Systems
Year launched2003
StatusActive
LocationDynamic Energy Systems LLC 1708 Augusta Street Ste C #305 Greenville, SC 29605
Countries served1+
Languages13
IntegrationsN/A
Free tierN/A
Free trialN/A
Contact salesYES

About Multi-Maxx

Multi-Maxx is a software platform from Dynamic Energy Systems that supports utilities and industry in addressing operational challenges. It combines advanced analytics, real-time monitoring, and reporting capabilities so organizations can make informed decisions in a dynamic energy market. Multi-Maxx helps users navigate the changes that have come with deregulation and escalating energy costs, providing tools to improve efficiency and manage resources effectively. Key capabilities: advanced analytics real-time monitoring reporting capabilities resource management decision support Best for: utilities and industry professionals that need to manage operational challenges in a changing energy landscape.

MultiMaxx by Dynamic Energy Systems is a powerful, predictive control and optimization solution designed to improve the efficiency and economics of industrial powerhouse operations. It goes far beyond conventional PID control by combining a Predictive-Horizon Header Pressure Controller with an Embedded Fuel Optimizer that works in real time to balance performance, cost, and reliability. The system calculates optimal fuel distribution every second, ensuring that the cheapest and most available fuels are prioritized while maintaining stable header pressure across multiple boilers. Its predictive model allows it to anticipate pressure changes several minutes ahead, reducing overshoot and lag issues common in traditional controls. MultiMaxx also stands out for its intelligent management of constraints such as draft, drum level, oxygen, and opacity, pushing each boiler safely to its true operating limits for maximum economic gain. A defining feature is its English Diagnostic Messaging system, which communicates operational constraints and control actions in plain language, allowing operators to make quick, informed decisions without deciphering complex codes. This transforms daily operation and troubleshooting into an intuitive, transparent process.

Pros & Cons

Pros
  • Maintains header pressure while minimizing steam generation costs across multiple boilers.
  • Supports any number of boilers and fuels with real-time optimization and constraint monitoring.
  • Predictive horizon control anticipates future pressure needs, improving stability and responsiveness.
  • Balances economy and performance based on user-defined tolerances for pressure variation.
  • Uses empirical boiler and header data to fine-tune control strategies and reduce overreaction.
  • Reduces thermal stress and fuel costs by avoiding excessive boiler responses.
  • Enables coordinated control across boilers, preventing single units from bearing full load swings.
Cons
  • Requires detailed setup including bump tests and constraint definitions for each boiler.
  • Performance depends on accurate modeling of boiler and header characteristics.
  • May need supervisory system integration for full functionality across multiple boilers.
  • Complex configuration could challenge facilities with limited technical resources.
  • Pressure setpoints must be staggered during fallback to prevent oscillations.

Features

Key features

Predictive Horizon Control

Adjusts boiler loads based on a predicted future header pressure to prevent over-responding to process upsets.

Embedded Fuel Optimizer

Continuously minimizes the overall cost of steam generation by allocating load to the most economical and available fuel/boiler resources.

Adaptive Control (Economy vs. Performance)

Automatically or manually shifts control objectives from minimizing cost during steady state to ensuring robust control during upsets.

Constraint Monitoring and Adherence

Monitors and operates within multiple predefined constraints (e.g., draft, drum level, to push boilers to their real, safe limits.

Header Volume Advantage

Utilizes the steam header's storage lag time to offset boiler response time, which actually improves control performance.

English Diagnostic Messaging

Provides clear, plain English messages to operators explaining status, encountered constraints, and why a boiler is not taking action.

Additional features

Predictive Horizon Header Pressure Control

Adjusts boiler outputs to maintain a predicted header pressure several minutes into the future.

Embedded Fuel Optimizer

Continuously minimizes the cost of steam generation across all supported boilers and fuels.

Single Setpoint Header Pressure Control

Maintains header pressure to one single setpoint across one or more boilers.

Multi-Constraint Monitoring

Monitors and ensures operation stays within multiple predefined operating envelopes for each boiler.

Minimum/Maximum Steaming Limits

Monitors and adheres to the minimum and maximum steam flow rates for each boiler.

Furnace Draft Limits

Monitors and adheres to the acceptable furnace draft limits.

Drum Level and Stability Limits

Monitors and adheres to the acceptable drum water level and stability limits.

Fuel Pressure and Flow Limits

Monitors and adheres to limits on fuel pressure and flow.

Damper Position Limits

Monitors and adheres to limits on damper positions

Monitoring

Monitors and adheres to limits on the percentage of oxygen in flue gas.

Opacity Monitoring

Monitors and adheres to opacity limits.

Particulate Monitoring

Monitors and adheres to particulate emission limits.

Adaptive Objective Switching

Changes control objectives based on process conditions, prioritizing economy in steady state and robustness during upsets.

Economy vs. Performance Adjustment

Allows the owner to choose how much economy to forfeit for better performance.

Empirically Determined Boiler Characteristics

Uses on-line bump tests to determine the dead-time and first-order response of each boiler.

Header Volume Utilization

Takes advantage of the header’s storage capacity to offset boiler response time for tighter control.

Steam Flow Imbalance Calculation

Calculates the required change in steam flow to balance overall steam demand using header pressure changes and volume characteristics.

Fuel Allocation

Divides the total requested change in steam demand among boiler fuel masters based on size, cost of steam, and availability.

Cost of Steam Determination

Calculates the cost of steam from fuel costs and incremental boiler efficiencies.

Availability Determination

Determines boiler availability based on selection for control and operation within normal constraint boundaries.

Proportional Constraint Reduction

Smoothly slows the boiler down by proportionally reducing the requested change to the fuel master as a constraint is approached.

Constraint Violation Correction

Adjusts the fuel master to move the boiler back inside all constraint boundaries, even in opposition to header pressure control.

Push to Real Limits

Operates boilers up to their real constraints (e.g., draft, feedwater flow) instead of artificial maximum steaming rates.

Thermal Stress Reduction

Reduces thermal stress on boilers by preventing them from over-responding to header pressure deviations.

Load Swing Distribution

Allows multiple boilers to participate in maintaining header pressure to distribute the load swing.

Operator Messaging System

Informs operators in plain English of encountered constraints and status information.

Diagnostic Reports

Consolidates daily constraint information into special reports to identify opportunities for process improvements and savings.

Modular Scalable Design

Consists of a set of scalable modules that combine to create a global power house solution.

Regulatory Control Platform Integration

Modular set of control algorithms resides in the regulatory control platform as an integral part of the boiler’s combustion controls.

Graceful Shedding

Allows each boiler to shed gracefully back to individual boiler header pressure control in the event of a supervisory computer failure.

Pricing

Free trial
Free version
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Countries & Languages

1
Countries served
13
Interface languages
11
Billing currencies

Available in

All Countries.

Interface languages

EnglishSpanishFrenchGermanItalianChineseJapaneseRussianPortugueseDutchKoreanArabicTurkish.

Billing currencies

🇺🇸USD🇪🇺EUR🇬🇧GBP🇦🇺AUD🇨🇦CAD🇯🇵JPY🇨🇳CNY🇮🇳INR🇨🇭CHF🇷🇺RUB🇧🇷BRL

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