GE UltraMax™ & NuVation™
Electronic Low Frequency Ballast Series
See the light… UltraMax™ & NuVation™ Electronic Ballast, now with dimming-capabilities,
can increase savings and extend the life of your lighting system. UltraMax™ & NuVation™
energy saving performance features now includes continuous dimming functionality for
greater lighting control and design flexibility.
Dimming capabilities provide the opportunity to take advantage of daylight harvesting, light
level reduction during times of non-occupancy and optimization of energy consumption to
light level requirements.
Come see the light…
Lower Operating Costs*
FEATURE / INSTRUCTIONS
Electronic Ballasts use solid-state electronic components to start and operate the ballasts.
Electronic ballasts often use IC chips and feedback to implement better controls, and safety
features into ballasts. Electronic ballasts typically operate much more efficiently than similar
Electromagnetic Ballasts. A few other benefits are small size, lightweight, improved lumen maintenance, fault mode protection and better power regulation, which results in better color consistency.
Low Frequency Lamp Operation
GE analysis of internal and competitive HID lamps suggests that the most compatible driving
waveform for an electronic ballast is a Low Frequency Square Wave (L.F.S.W.) with low higher
order harmonic content. L.F.S.W. has been long established as a dependable method of ballasting low Wattage HID lamps with significant industry standards support. Analysis of lamp data has shown that there are limited operating bands between 1 kHz to 200 kHz in which an electronic ballast could operate a lamp wattage family without causing unacceptable arc instability due to Acoustic Resonance. Trend analysis of the A.R. maps show that this range extends well beyond 200 kHz. When the A.R. structure maps are overlaid there is no consistent frequency band, which can be identified as a stable location for ballast operation. There are large variations in the A.R. structure maps between multiple lamp vendors and from lamp type to lamp type or burn position. A.R. may cause visual annoyance, lamp cycling, shorten lamp life, and in extreme cases result in arc tube rupture. Specific matched lamp – ballast high frequency systems can be stable, however they limit the extent that the individual members can be modified for future improvements. Additionally, there is no data on the long-term stability of the A.R. maps due to aging of the lamp. Future re-lamping may also create an unstable system due to changes in lamp arc tube geometry or manufacture.
Lamp performance points to be considered:
Data on Electronic ballast technology has shown that it can greatly improve the lumen maintenance of HID lamps over traditional EM reactor or CWA ballast systems. However, no data are available to support improved lamp performance on High Frequency vs. Low Frequency Square Wave driving waveforms
GE recommends operation of its high wattage CMH® and PulseArc® QMH HID lamps on electronic ballasts that use a Low Frequency Square Wave output such as the UltraMax® HID ballast, GE-MH-250-400-MAX-208-207 or similar for optimal lamp performance.
GE does not make high frequency HID ballasts due to reasons described in the Low Frequency Lamp Operation section above. However, high frequency operation is applicable for matched lamp ballast systems. Caution must be taken when designing these systems for an application to make sure that the ballast and lamp are compatible to avoid premature lamp failure and safe operation.
Operates Both GE and Philips Branded CMH Lamps,
Including Phlips MasterColor Ceramic Metal Halide HPS-Retro White
Photos of the GE UltraMax & NuVation eHid Low Frequency Ballasts.
GE UltraMax eHID Non Dimming Ballast
~ GE-MH-250-400-MA ~ Photo of Label on Ballast itself.
GE NuVation eHID Dimming Ballast
89646 ~ GEMH250-400M-V50
~ Photo of Label on Ballast itself.
It is very easy
to mount the GE eHID Ballasts to Batwings
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