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The Use of Natural Gas Generators, Is Natural Gas or Diesel More Acceptable in MA?

Joseph Coupal - Monday, October 23, 2017
South Shore Generators - Generac Natural Gas Generators

Generac Industrial Power recently attended the 2017 NFPA conference in Boston, Mass. to discuss the use of natural gas generators in emergency system applications with the authority having jurisdiction (AHJ) community.

The reliability of natural gas as fuel for emergency generator applications tends to create interesting discussions within the market. As the standard for standby power generation, NFPA 110, has plenty to say about reliability concerns and best practices relative to adequately maintaining on-site diesel. However, it provides little guidance for the acceptance of natural gas reliability. The National Electric Code (NEC) article 700.12(B)(3) states: “Prime movers shall not be solely dependent on a public utility gas system for their fuel supply - except: ‘Where acceptable to the authority having jurisdiction, the use of other than on-site fuels shall be permitted where there is a low probability of a simultaneous failure of both the off-site fuel delivery system and power from the outside electrical utility company.’”

So what is reliable enough? According to a 2013 report by Massachusetts Institute of Technology’s (MIT’s) Lincoln Laboratory, natural gas distribution systems operate at a reliability rate exceeding 99.999 percent, with the exception of seismically active areas. Incidentally, that makes the natural gas distribution system approximately one thousand times more reliable than a single-engine generator set, which is typically assumed to be 99 percent reliable. To probe these questions, Generac surveyed 110 attendees at the NFPA show with three questions:

Is natural gas acceptable in your area?

The first asked if natural gas was an acceptable fuel for emergency system applications in their jurisdiction. Sixty-four percent replied yes; another 25 percent was uncertain. This illustrated a very high acceptance rate that mirrors the explosive growth in natural gas generators documented by Frost and Sullivan – 38 percent of the total North American market revenue is now natural gas generators, which is up from 28 percent only three years prior.

Who dictates acceptance? What guidelines exist?

The second question asked who determines if natural gas is an acceptable fuel for emergency systems and whether there are guidelines for accepting or rejecting this continuous fuel source. To this question, the respondents identified AHJ & fire marshal by 36 percent, but 43 perecent were uncertain. None of the respondents provided guidance regarding guidelines for acceptance. This highlights some of the challenges that are created when the code uses subjective language and provides little guidance regarding reliability. To that end, the Centers for Medicare & Medicaid Services (CMS) created a guideline regarding the evaluation of natural gas generators for nursing homes. The reliability of a natural gas fuel source can be proven with a letter from the natural gas vendor that contains the following:

  • A statement that the fuel source is reasonably reliable
  • A description supporting the assertion that the source is reasonably reliable
  • A statement of the low likelihood of an interruption
  • A description supporting the assertion that the likelihood of interruption is low
  • A signature from technical personnel

Similar processes, which leverage a letter from the local gas utility, are often utilized by the AHJ community when natural gas reliability is perceived as questionable within the market. Another method for determining reliability may leverage the guidance given for determining electric utility reliability in fire pump applications. NFPA 20 A.9.3.2 defines reliable as not having experienced any shutdowns longer than four continuous hours in the year prior to planning. This standard does not require the utility source to be infallible; it only requires a utility source free from routine outages. Using these criteria, most natural gas systems across the United States should be deemed reliable.

What is your personal perception of natural gas?

The last question focused on each attendee’s personal perception of natural gas reliability. Fifty-five percent of the respondents felt natural gas was favorable to diesel with 38 percent uncertain. This relatively high perception of natural gas reliability is influenced by personal experiences with hurricanes Irene and Sandy, both of which destroyed the long-standing conventional wisdom that diesel fuel delivery was assured even during the most severe emergencies. Both storms caused enough damage to the petroleum supply networks, making refueling requirements a challenge. Hurricane Sandy devastated fuel terminals across the Northeast. Even if a delivery truck was able to get to a terminal, it was unlikely it would be able to obtain fuel. The available fuel and trucks within the region were often redirected by the government to hospitals and targeted emergency response facilities.

It is incorrect to conclude that diesel fuel, simply by its on-site presence, is more reliable than natural gas. A reliable fuel supply is one that is consistently available in sufficient quantity and quality to ensure reliable emergency power. It is necessary to holistically examine external factors influencing the relative reliability of natural gas and diesel.

The Boston NFPA conference allowed Generac a great opportunity to explore these topics directly with a cross section of the AHJ community. These insights help illustrate that natural gas acceptance continues to grow within markets that have an established natural gas infrastructure. In these markets, the resulting awareness and acceptance of natural gas-fueled emergency generators is quite high.

For more information, contact South Shore Generator in Wareham, MA.

Source: generac.com

How the Internet Kept Running During The Hurricanes

Joseph Coupal - Monday, October 16, 2017
South Shore Generators in Wareham,MA

At one node of the industrial backbone that keeps the internet running, employees sheltered from the worst of Hurricane Irma in a stairwell of a seven-story building in downtown Miami. When the power had gone out, diesel generators instantly kicked in to keep the lights on and prevent the internet from going down.

In Houston, at another of these nodes, called data centers, Hurricane Harvey pushed waters so high that a live fish flopped in a loading dock, but the physical defenses held.

Yet another data center, west of Houston, was so well prepared for the storm — with backup generators, bunks and showers — that employees’ displaced family members took up residence and United States marshals used it as a headquarters until the weather passed.

“It wasn’t Noah’s ark, but it was darn close,” said Rob Morris, managing partner and co-founder of Skybox, the company that runs the center.

For all their seeming immateriality, the internet and the cloud rely on a vast industrial infrastructure consisting of data centers linked through a sprawling network of fiber optics. The facilities are stacked with servers — boxlike computers that crunch the data for everything from hospitals, law enforcement agencies and banks to news websites, email and weather reports — that cannot be without electricity and cooling for even a fraction of a second.

Yet even as millions of people lost power across Florida, and thousands of homes and businesses were flooded out in Miami and Texas, the heavy digital machinery at the heart of the internet and the cloud held firm.

Though the storm disabled some cellphone towers and local connections, the center never stopped processing and transmitting data. It lost utility power around 8:30 a.m. on Sunday, Sept. 10, but supplied its own electricity with the generators.

When the storm eased and he walked outside, Mr. Eassey said, he immediately saw the effect that Digital Realty and other data centers had by keeping the servers going. “Everyone was talking on their phones, searching on their phones, and commerce that uses the internet to do their business was up and running,” he said.

A list of Digital Realty’s top customers shows why those operations are so important: Clients include IBM, Facebook, CenturyLink, Oracle, Yahoo, Morgan Stanley, AT&T and JPMorgan Chase, among others.

Inside the centers, the drill during a natural disaster can be overwhelming. One company, EdgeConneX, lost utility power for three days at a Miami data center, two days at a center in Jacksonville, Fla., and two days at an Atlanta location. But Rich Werner, director of operations at the company, said that backup generators turned on and service was never interrupted.

“Data center operations, to me, is 362 days of boredom,” Mr. Werner said. “And then you get these hurricanes coming through, and it’s three days of pulling your hair out.”

There are no legal standards for data centers unless they house servers for clients like government agencies, which require special protections.

But a professional organization, the Seattle-based Uptime Institute, rates the facilities on four tiers of resiliency for events like storms, earthquakes and run-of-the-mill power failures — possibly one reason the internet performed creditably during the hurricanes. The institute’s engineers “go to the site and pull the plug,” said Mark Harris, senior vice president of marketing, “and to be certified, it has to keep running.”

So when a hurricane or a tornado or an ice storm happens, the entire data center has been designed to withstand these external factors.

During Harvey and Irma, those measures seemed to work, said Doug Madory, director of internet analysis at Dyn, a web performance company with servers at a Miami data center. “I’m not aware of any core internet services going down,” he said.

Practically every single large oil and gas company in the world” operates servers in its data centers — an indication of how commerce of all kind relies on the facilities.

Depending on local conditions, some centers got off easier than others. In Houston facilities run by Data Foundry, automated systems worked so well that employees pooled resources and watched the Floyd Mayweather-Conor McGregor fight on pay-per-view.

Everyone in the business says that extensive preparation is critical.

The peak of the storm passed over the weekend, and when the power went out, the center was ready with diesel generators and a 10,500-gallon diesel tank on the site.

In Houston’s so-called energy corridor, the Skybox campus stayed above water. Utility power never went down. But the site was stocked with thousands of gallons of diesel fuel, as well as food and water, emergency medical kits, showers, bunk rooms and flares.

The site, which is a “modern-day fortress,” began hosting not only employees but several of their families, whose houses were flooded. Then the building doubled as an emergency response center for the United States marshals. Roughly 50 people used or stayed on the campus at one point or another during the storm.

If you want to keep your business up and running during the worst of weather, contact South Shore Generator in Wareham, MA.

Source: NY Times

Generator Solutions for the Telecommunications Industry

Joseph Coupal - Tuesday, October 10, 2017
South Shore Generators - Generac Telecommunication Industry Generators

The Power to protect your bottom line

For more than 50 years, Generac’s main focus has been providing dependable backup power solutions. And for the last three decades, we have deployed tens of thousands of standby power products to telecommunications installations around the world. As the experts in standby power for the telecommunications industry, many of the largest telecommunications companies rely on Generac to protect their revenue streams and profitability by backing up their infrastructures—including cell sites, data centers, back haul, and hubs—and safeguarding their customers’ experience.

Save on Ownership

Engineered on-site at our vertically integrated manufacturing facilities, Generac standby power systems reduce your total cost of ownership with innovative, space-saving designs. Like single-sided access to maintenance points and controls that significantly reduce the overall generator footprint and save considerably on space leasing costs. And integrated load centers that combine the distribution panel, controls, and transfer switch into a single unit for reduced installation costs and additional space

Enjoy 24/7/365 Support

Get product and technical support from one of the largest factory-certified service organizations in the industry—more than 1500 strong across North America. Dealers who maintain large inventories of Generac parts, components, and accessories to service units in all locations, no matter how remote.

Benefit from Short Lead Times

Customers seek out Generac because we offer some of the fastest delivery times in the industry. We work with our customers to develop rapid deployment programs that cut lead times to less than half of the industry standard. With a 98% on-time delivery rate.

Choose from a Broad Product Line

Generac offers the broadest line of gaseous and diesel-fueled generators in the industry—each of which is custom-configured for your specific application. All major components are designed and manufactured by Generac. The heavy-duty engines we use have proven their performance and reliability in telecommunications applications. And Generac has revolutionized gaseous-fueled generators with advances in technology that make them more powerful and cost-effective—even in large kilowatt applications.

For more information, contact South Shore Generator in Wareham, MA.

Source: gens.generac.com

New Kohler Portable Generator Allows You to Select From 3 Different Fuel Types

Joseph Coupal - Monday, October 02, 2017
South Shore Generator - Kohler Pro7.5e portable generator

Expanding the company’s alternative fuels offering, KOHLER is introducing a Tri-Fuel Conversion Kit. Designed to pair with KOHLER’s new PRO9.0 portable generator, the kit enables the PRO9.0 to run on three different fuel types: gasoline, propane or natural gas. Users have the flexibility to select between the three fuel options by swapping out the fuel hose and simply turning a dial.

The tri-fuel portable generator is a great new option because it provides the convenience of three-in- one functionality. The PRO9.0 can be quickly adjusted to run on different fuels, based on fuel availability or a user’s individual preference. Propane and natural gas are sometimes selected due to the reduced emissions and run-time cost savings that those fuels can deliver.

South Shore Generator can quickly configure the new PRO9.0 portable generator with the Tri-Fuel Conversion Kit, while maintaining the product’s original warranty. Like other KOHLER portable generators, the PRO9.0 is backed by a premium three-year warranty and the company also offers a free loaner unit – through participating dealers – for any warranty repairs exceeding 24 hours.

For more information, contact South Shore Generator in Wareham, MA.

Source: power.kohler.com

Factors to Consider When Installing Industrial Generators

Joseph Coupal - Monday, September 25, 2017

There are hundreds, or possibly thousands, of federal, state, local and municipal codes that may impact the location of an industrial generator. This makes it critical to work with local professionals who are aware of the codes and as well as the preferences of AHJs. South Shore Generator has significant amounts of knowledge about the systems and the optimal design practices for their localities. These professionals may be able to save customers time and resources by avoiding potential problems.

Location Considerations When Installing Commercial and Industrial Standby Generators

For Indoor Applications, The Key Factors Are:

Space: Generators are large and bulky, so cost, logistics and maximizing space for the building occupants must be considered in determining the location of the generators.

Airflow: To prevent overheating, there must be adequate airflow around the generator and the installation must meet NEC requirements. This could entail the use of a remote cooling system, which adds complexity to the design.

Fuel Delivery: Diesel generators remain the most commonly used in commercial/industrial applications. In most cases, a large outdoor fuel sub tank is linked to a smaller, indoor day tank. The linkage and collections between the tanks add more potential points of failure to this indoor solution.

Sound/Vibration: The generator engine and possibly the remote cooling systems can be noisy. Vibration isolators and other barriers may be needed to prevent inconvenience to building tenants.

Security/Access: Only authorized personnel should have access to the area where the generator plant is located to ensure generator reliability and safety.

For Outdoor Applications, The Key Factors Are:

Clearance and Wind Patterns: Note where snow and other debris typically accumulates at the location and place the generator elsewhere. Also, providing adequate clearance for the generators is key.

Severe Weather Patterns: When possible, place a natural or physical barrier between the prevailing storm direction and the generator. This can help ensure the generator will still operate during extreme weather events.

Potential for Flooding: The Gulf and Eastern Coastal areas have experienced much flooding in recent years, so engineers are requiring generators to be placed on platforms. However, if the incoming utility and electrical distribution are not also set above the flood line, the solution may not work.

Sound Considerations: Local ordinances have sound (dba) requirements that are set at the property line. Generators that are placed an appropriate distance away from property lines, may not need special sound attenuating enclosures.

Security/Access: Be sure that service technicians are able to access the generator during all types of harsh weather conditions, including rain, snow and ice. Also, ensure that only authorized personnel can access the generator to ensure safety and security.

For more information on installation of industrial generators, contact South Shore Generator in Wareham, MA.

Source: generac.com

Gas Generators for Industrial Power Systems

Joseph Coupal - Wednesday, September 13, 2017
South Shore Generator - KOLHER Diesel Generators

Gas Generators can be custom-made to meet your needs with purpose-built solutions for every application. Protect your critical power applications with the generators that are proven to work. Custom-tailored to your specifications. And engineered to provide you with consistent, reliable power.

Before our gas generators see the light of day, they endure our extreme testing standards. And to make sure they hold up in harsh conditions, we coat the generator enclosures, skids and components with Power Armor® Paint System, a textured industrial finish that provides corrosion-resistant, heavy-duty durability.

Total System Integration

But the best part? We engineer every detail down to the last bolt. From generators and transfer switches to paralleling switchgear and controllers, everything works together seamlessly. Because we designed, engineered and tested it that way.

That’s the Kohler difference.

Good news: you can forget all that one-size-fits-all nonsense. KOHLER® gas generators are tailored and targeted to your specific job requirements. Unlike most generator models, every KOHLER generator is designed to work precisely for standby, prime or continuous applications. So you know you’re getting the right power and the right power rating—and enjoying huge cost savings along the way.

But we didn’t just stop there. We’ve also simplified the installation process—every model* is available EPA-certified to meet operational requirements on pipeline natural gas. There’s no need to certify or recertify.

Standard features:

Tested and Approved - KOHLER generators meet tough industry testing and quality standards (UL, CSA, IBC, NFPA).

One-Step Full-Load Acceptance - Our gas generators accept full load to keep you up and running.

Ultimate Performance - Our 1800-rpm engines run quietly and efficiently to extend generator life and provide significant fuel savings.

Factory-Certified Generators - Every size KOHLER gas generator is available EPA-certified*, ECM controlled and designed to meet the latest spark-ignited emission requirements.

Versatile Power - KOHLER gas generators are made for more than just emergencies. You can also use them for standby, prime and continuous applications.

For more information on industrial gas generators, contact South Shore Generator in Wareham, MA.

Source: resources.kohler.com

Diesel Generators are Built for the Most Critical Jobs

Joseph Coupal - Tuesday, September 05, 2017
South Shore Generator - KOLHER Diesel Generators

Think about the most important places in the world: hospitals, airports, data centers, water treatment plants, etc. Those are the places we protect. The ones that absolutely have to have power—no matter what.

And with diesel generators ranging from 10 to 4000 kW, there’s no job too small, no building too big. KOHLER diesel generators are available EPA-certified. And you can customize them any way you like with a variety of accessories.

  • EMISSION-CERTIFIED - EPA-certified, industrialgrade engines meet the latest emissions requirements
  • HIGH-AMBIENT COOLING - Designed to meet extreme operating conditions
  • KOHLER PMG ALTERNATORS - Provide advanced short-circuit capability and meet NEMA MG 1, IEEE and ANSI standards
  • KOHLER DECISION-MAKER® - CONTROLS Available with a variety of controls–basic, advanced and paralleling
  • OPTIONS AND ACCESSORIES - Improved motor-starting alternators, heavy-duty air cleaners, enclosures, fuel tanks, block heaters, multiple circuit breakers and more.

For more information on diesel industrial generators, contact South Shore Generator in Wareham, MA.

source: resources.kohler.com

High Power Industrial Generators Powered by Diesel

Joseph Coupal - Monday, August 14, 2017

KD SERIES is the newest line of generators powered with advanced KOHLER diesel engines. The generator sets unprecedented power density make this new line ideal for needs which are constantly more demanding. With a wide range of powers (800-4200 kVA / 800-4000 kWe), they are ideal for every industrial power segment use and benefit from the KOHLER worldwide quality of service.

As a global leader in the power market, KOHLER now designs its generator engines. KOHLER has brought their many years of power generator experience into the development of these engines, making the KOHLER engine ideal for power generation. It controls perfectly its production cycles (engineering, tests, maintenance…) that it brings to its highest level of requirement.

KOHLER has been a global leader of energy solutions since 1920. Our emergency, prime, continuous and energy management products along with transfer switches and switchgear systems excel worldwide and in all sectors: data centers, hospitals, mines, water treatment installations, industries, administrations, etc.

For more information on KOHLER Diesel powered generators, contact South Shore Generator in Wareham, MA.

Source: kdseries.com

Generac Offers a Full Line of Industrial Generators

Joseph Coupal - Tuesday, August 08, 2017
South Shore Generators - Industrial Generators

Generac Power Systems offers a large kW product line with power generators and integrated paralleling control. Regularly models receive system upgrades, improving performance, functionality, and competitiveness.

Generac offers the 750 kW, 900 kW, and 1500 kW diesel generators in its industrial product line, creating a complete offering from 750 kW to 2 MW. They can be used as either a standalone SD series generator or as an MD series generator in Generac’s innovative, marketing-leading paralleling Modular Power System (MPS) with outputs up to 100 MW of power. All of the generator systems are available in an open set configuration, or with weather protected, Level 1, or Level 2 sound attenuated enclosures.

All industrial generators up to 2 MW are manufactured in Generac’s Wisconsin facilities, offering engineers and contractors a fully integrated solution from a single source of accountability.

Generac continuously invests significant resources into research, innovation and product development, which is why they can offer this breadth of line that meets even the most strict customer requirements. Generac has effectively doubled its industrial product range, and is excited at how fast they have expanded their industrial product offering, becoming a true full-line solution provider. If you need a large, industrial generator, go big with Generac.

The generators are designed to give engineers and contractors the option to choose from a wide range of Generac alternators with optional temperature rises for improved motor starting in stringent application needs. Both 40°C and 50°C ambient cooling systems are offered with an enhanced option to meet various ambient temperature application requirements, while optional critical- and-hospital-grade exhaust silencers enhance sound attenuation. The robust Mitsubishi Heavy Industries engines offer market-leading altitude derates as well.

Other features include:

  • Full range of multiple unit-mounted circuit breakers up to 3000A
  • Listed to UL2200 from factory
  • NFPA 110 compliant
  • UL142 listed fuel tanks for 12 and 24 hour runtimes to meet various code requirements

Generac’s highly-reliable PowerManager System Control (PM-SCi) is ideal for project managers looking for a more cost-efficient and space saving MPS solution for paralleling multiple large generators. The advanced integrated (on-board) paralleling and load management capabilities allows for the management of up to 31 paralleled generators, and can control multiple, separate transfer switches. There are six default levels for priority loads and three default levels for load shedding during system failure. The control’s flexibility enables users to add both priority load and load shed levels in boolean logic. The built-in Modbus® technology allows for remote monitoring.

Other key features include:

  • Touch-screen display
  • Diagnostics capabilities through InteliMonitor® software
  • Data logging and trending capabilities
  • Programmable exerciser
  • Backup mode

For more information on Generac’s industrial generators and the PowerManager System Control (PM-SCi), contact South Shore Generator in Wareham, MA.

Source: generac.com

Kohler Diesel Mobile Generator

Joseph Coupal - Tuesday, July 25, 2017
South Shore Generators - Diesel Mobile Generator

Kohler Power Systems offers a robust line of diesel-powered mobile generators. In particular, the 55REOZT4 offers customizable options to meet the varying needs of end users and features Kohler’s unmatched quality, reliability and flexibility.

The 55REOZT4 is a great addition to our diesel mobile generator line and is ideal for a wide variety of settings where power is needed – from remote construction sites to large-scale events. This model is being offered in response to the strong feedback Kohler has received to the existing diesel-powered mobile units. This is the fifth model introduced within the Tier 4 Final lineup and is capable of a 46-48 kW standby rating and 42-43 kW prime and continuous rating.

The 55REOZT4 is EPA emission certified for non-road use and comes equipped with a rugged DOT-certified trailer and durable enclosure. Like all Kohler gaseous and diesel mobile generators, the new model is compatible with the Mobile Paralleling Box, which delivers cutting-edge flexibility by allowing users to parallel different sized generators with different fuel types to optimize power for the specific task at hand.

The 55REOZT4 integrates a number of user-friendly features to deliver straightforward operation and dependable performance in the field, including:

  • A heavy-duty air cleaner with restriction indicator
  • Fuel tanks sized for 24-hour runtime
  • External emergency stop
  • Stainless steel door latches and hinges
  • Two-way fuel valve to easily switch from onboard to external fuel sources
  • Three position selector switch
  • A cold weather package that includes block and battery heaters
  • A convenient single point lifting eye
  • Durable steel sound-attenuating housing with quiet operation of 69 dB(A) at 7 m (23ft.) at full load
  • A patented housing that lifts off without removing external hardware or wiring

The 55REOZT4 features Kohler’s powerful KDI 3404 engine, which achieves Tier 4 Final emission compliance without a diesel particulate filter (DPF) due to a number of innovative design features, including Kohler’s direct injection system, cooled exhaust gas recirculation (EGR) and diesel oxygenated catalyst (DOC). A high-pressure common rail system (CSR) is also integrated, which utilizes pressures at 2000 bar (29,000 psi) to deliver better atomization of fuel, improved fuel consumption and a reduction in emission particulates.

Advanced Digital Controller

The Kohler Decision-Maker 3500 digital controller, featured on the 55REOZT4 generator, provides intuitive displays and keypad functions, plus advanced network communications for remote monitoring. Other features include:

  • Parallel capable system with an easy-to-read 4.3-inch LED backlit color graphic LCD display
  • Remote-start and remote-stop convenience
  • Potted circuit board and sealed connectors to protect against environmental conditions
  • Auto-sensors on the selector switch setting, eliminating the need to program voltage changes
  • Voltage, current, frequency and power monitoring
  • Analog inputs, warnings and faults monitoring

For more information, contact South Shore Generator in Wareham, MA.

Source: contractorsupplymagazine.com


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