E-SAVER OPAL Series – Low Voltage – High Efficiency Transformers
Powersmiths E-SAVER OPALTM Series - Low Voltage - High Efficiency Transformers
E-SAVER APPLICATION & KEY ADVANTAGES
Conformity to Standards
Quality: ISO 9001
Environment: ISO 14001
Efficiency Test Lab: ISO 17025
UL and CSA
Production Integrated Nonlinear Load Test Program
IPMVP Compliant Field Measurement
Certified Test Lab Load Profile Test Reports
T1000 OPALTM Series - Low Voltage – Harmonic Mitigating Transformers (HMT)
HMT APPLICATION & KEY ADVANTAGES
The OPAL Series T1000-30H model is an ultra-efficient dry-type low-voltage harmonic mitigating isolation transformer that delivers an average of 30% less losses than a comparable U.S. DOE 2016 transformer, under a heavy harmonic-rich load. T1000-30H is optimized to reduce voltage distortion in harmonic-rich environments.
OPAL-T1000 transformers treat the 3rd harmonic through secondary flux cancellation and reduce fundamental current imbalance. Unlike delta-wye transformers, OPAL-T1000 windings are configured such that 3rd and other zero sequence currents in the transformer do not couple into the primary winding. 5th and 7th harmonics are treated on a system basis at the common point upstream, by alternating phase-shifted models.
E-SAVER OPAL MODEL COMPARISON MATRIX²
| Model | Optimized Load Range | Saving beyond DOE 2016* | Temp. Rise | Winding Material *** | Continuous Overload Capacity | K-Rating **/**** | Applications |
|---|---|---|---|---|---|---|---|
| E-Saver-33L | 0-25% | 33% | <130°C | CU | 5% | K7 | Most Applications - office, education, healthcare, most other institutional, commerical (light load feeding electronic equipment). |
| E-Saver-20M | 0-100% | 20% | <115°C | CU | 15% | K1, K9, K13 | Where equipment or process loading varies widely, or where the load is expected to change significantly over time. |
| E-Saver-25H | 75-100% | 25% | <105°C | CU/ALCU opt. | 20% | K13 | Dedicated equipment (fans, pumps, elevators,etc), labs, broadcast, datacenter, industrial where loading is significant. |
| T1000-30H | 50-100% | 30% | <105°C | CU | 20% | K20 | Harmonic Mitigation Transformer - for heavy, harmonic-rich loads, high densities of electronic equipment, where voltage distortion could become excessive. |
| E-Saver-35H | 75-100% | 35% | <80°C | CU/ALCU opt. | 33% | K20 | Heavy loading for extended hours, and need for lower losses & operating costs, overload capacity, faster payback if high energy rate. |
| E-Saver-50H | 75-100% | 50% | <65°C | CU | 50% | K30 | For Special Applications close to full continuous load, where full load losses & heat output must be minimized, significant overload capacity. |
| E-Saver-SOL | 0-100% | 30% | <105°C | CU/ALCU opt. | 20% | K20(but not required for app) | Solar Applications - to avoid solar production waste - minimize transformer idling and full load losses, continuous overload capacity for longer life. |
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