Mechanical Dynamics & Analysis (MD&A) provides power generators around the globe with a full-service, OEM-alternative for services, parts, and repairs for Gas Turbines, Steam Turbines and Generators. For over four decades, our commitment to excellence has earned customer trust for all combined cycle turbine-generator needs. We focus on delivering consistent quality and value with fast response, superior communications, and innovative solutions.<\/p>\n
MD&A\u2019s\u00a0Gas Turbine Services<\/a> project managers and technical directors are seasoned professionals with a broad range of experiences whose skill sets cover both common and unique makes and models of turbomachinery from around the world.<\/p>\n Our specialized services range from Combustion, Hot Gas Path, and Major Inspections, as well as,\u00a0Compressor & Turbine Rotor Repairs<\/a>\u00a0to Plant Performance Testing and Analysis. Our capabilities also include providing\u00a0gas turbine internal alignment<\/a>, along with vibration analysis and balance (low-speed & high-speed.)<\/p>\n We offer full capabilities for your\u00a0gas turbine rotor maintenance\/ repair<\/a> and end-of-life assessment. Our engineers strictly follow effective, time-tested principles that produce sound and superior repair solutions<\/p>\n MD&A Parts Division<\/a>\u00a0is a premier worldwide supplier of replacement new and refurbished\u00a0gas capital and consumable parts. \u00a0MD&A Bearings, Seals, and Hydraulics Division<\/a>\u00a0specializes in gas turbine and generator bearings repairs, along with\u00a0Rexroth\u00ae hydraulic actuators<\/a>.<\/p>\n Our Gas Turbine Parts Service Facility called San Antonio Service Center, is an industry leader in gas turbine component repair and offers gas turbine parts such as\u00a07FA<\/a>\u00a0parts,\u00a07EA<\/a>\u00a0parts, and\u00a0V class<\/a>\u00a0parts.\u00a0 Our facility and team have leading-edge equipment and repair techniques with proven expertise on multiple frame gas turbine hot gas path and combustion components.<\/p>\n MD&A Fuel Nozzle Services<\/a>\u00a0is a worldwide leader in the repair and refurbishment of Multiple-Frame gas turbine fuel nozzles, including standard, Multi-Nozzle Quiet Combustor (MNQC) and Dry Low NOx System (DLN) 1.0, 2.0 and 2.6 for industrial and power generation customers.<\/p>\n Case Study Examples:<\/strong> Gas Turbine Parts Lifetime Extension Clinic<\/strong><\/a> For over four decades MD&A has proudly offered comprehensive refurbishment of steam turbine-generators.<\/p>\n Our\u00a0MD&A Turbine-Generator Repair Facility<\/a> centrally located in St. Louis, MO, includes steam path services, generator services,\u00a0field machining<\/a>, steam turbine\u00a0valves<\/a>, and a brand new\u00a0high-speed balance<\/a>\u00a0facility.<\/p>\n We specialize in\u00a0Stationary Component Repair<\/a>\u00a0and\u00a0Rotating Component Repair<\/a>, including\u00a0Rotor Straightening<\/a>\u00a0and\u00a0Casing Renovations.\u00a0<\/a>\u00a0Quality, attention to detail, and on-time delivery are the cornerstones of our success.<\/p>\n MD&A\u2019s technical directors, project managers, alignment engineers, and all our\u00a0Outage Services\u2019<\/a>\u00a0supporting divisions are available 24 hours a day. Qualified, experienced, knowledgeable experts; we employ seasoned professionals. Our mechanical engineers are specialists in turbine-generator engineering,\u00a0thermodynamics analysis,<\/a>\u00a0steam path audits,<\/a>\u00a0distortion correction,\u00a0Remaining Life & Finite Element Analysis<\/a>, and the many diagnostic and engineering service disciplines.<\/p>\n MD&A\u00a0Parts Division<\/a>\u00a0<\/u>is a premier worldwide supplier of replacement new and used steam capital and consumable parts \u00a0MD&A Bearings, Seals & Hydraulics Division specializes in steam turbine bearing repairs with quick delivery, such as\u00a0Tapered Land Thrust<\/a>\u00a0and\u00a0<\/u>Tilt Pad Thrust.<\/a><\/p>\n Case Study Examples:\u00a0 <\/strong>Steam Turbine Advanced Sealing System<\/strong><\/a> MD&A provides comprehensive refurbishment & repair of large utility generator stators and fields, including\u00a0high voltage bushing refurbishment<\/a>\u00a0and the complete rewinding of inner liquid-cooled generators.<\/p>\n Our turbine-generator repair facility centrally located in St. Louis, MO can accommodate\u00a0generator field rewinds<\/a>\u00a0of any capacity, including large 4-pole nuclear units.\u00a0 Our generator experts can also perform a\u00a0stator rewind<\/a>\u00a0on-site.<\/p>\n Through years of power generation industry experience, our generator repair specialists conduct\u00a0full-scope electrical testing<\/a>, visual inspections, and specialty tests as per customer requirements.<\/p>\n Our\u00a0generator in-situ inspection robot<\/a>, MD&A\u2019s Air Gap-Bot, can perform full generator inspections without removing the field, saving time on the outage.<\/p>\n We invest heavily in the development of people, procedures and principle which facilitate improvements in design, reliability, and performance.\u00a0 Our generator experts designed many solutions to numerous aging fleet issues; for example, 7FH2 generator spring migration repair<\/a>\u00a0and dusting on\u00a07FH2 & 324 stator end winding systems<\/a>.<\/p>\n Case Study Examples:<\/strong> Field Rewind with a Rotor Slot Dovetail Repair<\/strong><\/a> Our Turbine and Generator Controls Division\u00a0provides expertise to service or retrofit turbine control and generator excitation systems and their auxiliaries.\u00a0 We specialize in custom solutions and independent advice based on individual gas or steam turbine requirements from electronics to systems maintenance.<\/p>\n Case Study Examples: <\/strong>MD&A IBECS\u00ae \u2013 The Integrated Solution to Power Plant Control and Monitoring<\/strong><\/a>
\nCoordinated 7FA Hot Gas Path and 7FH2 Generator Inspection and Repair<\/strong><\/a>
\nFrame 5 Gas Turbine Rotor Repair<\/strong><\/a>
\nFuel Nozzle End Cover Insert Life Extension<\/strong><\/a><\/p>\nSteam Turbines<\/strong><\/h3>\n
\nThermodynamic Analysis on a Steam to Combined Cycle Plant Conversion<\/strong><\/a>
\nCasing\/ Shell Weld Repairs & Re-Rounding<\/strong><\/a>
\nRotor Steeple Indications and Diaphragm Repairs<\/strong><\/a>\u00a0\u00a0\u00a0 <\/strong><\/p>\nGenerator Repair & Services<\/strong><\/h3>\n
\nComprehensive Generator Stator and Field Rewind<\/strong><\/a>
\nGenerator Rotor Slot Tooth Weld Repair<\/strong><\/a>
\nEmergent Generator Re-wedge<\/strong><\/a><\/p>\nControls<\/strong><\/h3>\n
\nGenerator Automated Hydrogen Purge Package<\/strong><\/a>
\nCo-Gen Turbine Controls Retrofit<\/strong><\/a>
\nRegular Inspections Key to Efficient Operations with an EX2100e Static Exciter<\/strong><\/a><\/p>\n