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Archive for the Hydrogen Generator Auxiliary Equipment Category

E/ONE Dual Hydrogen Control Panel (DHCP)

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Environment One’s Dual Hydrogen Control Panel (DHCP) was designed specifically for monitoring GE’s scavenging seal oil generators. The DHCP contains two independent analyzers that monitor the turbine-end seal drain enlargement, collector-end seal oil drain enlargement with both valving for manual or DCS operation for checking casing purity of the generator.

The DHCP has the ability to automatically increase the amount of hydrogen gas scoured from the generator.

The DHCP works with GE’s Mark IV, Mark V and Mark VI control systems.

 

Website: www.eone.com

E/ONE Generator Condition Monitor – Explosion-Proof Design (GCM-X)

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Corrective action prompted by early warning of generator overheating can mean the difference between a brief shutdown for minor repairs and a major overhaul involving weeks or even months of costly downtime. E/One pioneered the development of the Generator Condition Monitor (GCM) and in more than 1,500 applications worldwide, operators have the opportunity of taking corrective action if and when a critical situation occurs.

Building on more than three decades of proven field experience, and incorporating international requirements for hazardous area locations, the Generator Condition Monitor-Explosion-Proof Design (GCM-X) assures a new level in generator performance, reliability, and safety.

 

Website: www.eone.com

E/ONE Generator Condition Monitor – Air-Cooled Apparatus (GCM-A2)

Generator Condition Monitor from E/One

 

Advancements in air-cooled generator designs have resulted in increasingly higher power ratings. The higher power densities place significantly greater stresses on materials and structures, making slight decreases in cooling efficiencies much more critical. Probability of overheating in these air-cooled machines becomes greater as designs are pushed closer to their critical limits.

The GCM-A2 warns of an impending failure much faster than RTD’s or thermocouples. Why? Because RTD’s and thermocouples need to be physically near the hotspot, or wait until overheating progresses to the point that the temperature near the RTD or thermocouple rises sufficiently for the sensor to detect it. This results in a significantly larger “fault,” possibly a catastrophic one. The GCM-A2, on the other hand, detects the pyrolysis particles emitted into the cooling air as a result of overheating or arcing virtually anywhere in the machine.

 

Website: www.eone.com

E/ONE Generator Gas Analyzer (GGA)

E/One's Generator Gas Analyzer for Hydrogen-Cooled Generators, available in stand-alone and portable configurations, or as part of a larger moniroting and control system

 

E/One’s Generator Gas Analyzer (GGA) for hydrogen-cooled generators is a triple-range sensor/analyzer that provides continuous monitoring of gas purity during all phases of generator operation.

E/One supplies GGA systems in a range of configurations, from stand-alone sensor/analyzers and retrofit “drop-in” replacement systems, to comprehensive hydrogen control cabinets that monitor gas purity, provide continuous monitoring of case and differential pressures and interact with plant control systems to assure the highest level of generator efficiency.

 

Website: www.eone.com

E/ONE Portable Gas Analyzer

pga

 

Environment One’s standard Generator Gas Analyzer (GGA) can also be supplied in a portable configuration. The PGA incorporates the same hydrogen gas sensor/analyzer and system electronics found in our other hydrogen gas purity systems. The PGA is specifically intended for use in non-hazardous environments and/or as an emergency back-up in the event a power plant’s primary purity monitoring system is compromised.

 

Website: www.eone.com

E/ONE Generator Gas Dryer (GGD II)

eone generator gas dryer

 

Water, oil, and other contaminants cause corrosion in critical areas of electric power generators, resulting in diminished efficiency and increasing the likelihood of forced outages. Increased dew point levels also detract from generator efficiency by increasing windage losses. E/One’s Generator Gas Dryer (GGD II) is a dual-chamber system that continuously dries and recirculates generator cooling gas — even when the generator is on turning gear, which is a critical time to maintain low dew point.

Column regeneration is automated and takes place based on programmable inlet and outlet dew point levels. The GGD II has a secondary, programmable time-based regeneration feature, allowing you to set maximum times between regeneration (from 10 to 30 days).

 

Website: www.eone.com

E/ONE Generator Gas Manifold (GGM) System

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E/One’s focus on hydrogen-cooled generator gas monitoring and control systems begins at the point where cooling and purge gases enter the generator. The Generator Gas Manifold (GGM) system is one of a range of standard or custom designed products.

From the point where hydrogen gas is received from the plant’s bulk supply or bottle manifold, E/One’s compact GGM monitors critical H2 and CO2 supply pressures, and regulates the hydrogen supply to the appropriate machine gas pressure. Manual isolation valves, arranged for easy end-user access, allow operators to control all facets of the purge process from a single location. A safety spool is also an integral feature of the GGM and assures that dangerous mixtures of H2 and Air are avoided.

 

Website: www.eone.com

E/ONE Hydrogen Control Cabinet: HCC II

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E/One’s Hydrogen Control Cabinet (HCC) was designed specifically for monitoring and controlling hydrogen purity in GE generators that utilize scavenging seal oil systems. The HCC contains two independent analyzers that monitor hydrogen purity from both the turbine-end seal drain enlargement and the collector-end seal drain enlargement.

Designed to be used in a hazardous location, the HCC has the ability to automatically increase the amount of hydrogen gas bled from the generator. It’s also an easy replacement for your old hydrogen control cabinet. Featuring digital displays, warnings and alarms, the HCC works with all GE and non-GE control systems.

 

Website: www.eone.com