Fluke 1775 Three-Phase Power Quality Analyzer
The Fluke 1775 Three-Phase Power Quality Analyzer is a state-of-the-art instrument designed to simplify the process of power quality logging, troubleshooting, and analysis. It is part of the Fluke 1770 Series, which offers automatic measurements, a straightforward user interface and setup, best-in-class specifications, and a simplified reporting platform. This article will provide an in-depth overview of the Fluke 1775, highlighting its key features, applications, and benefits.
Key Features and Applications
The Fluke 1775 Three-Phase Power Quality Analyzer is a versatile tool that can be used for various applications, including:
- Energy surveys and load testing
- Harmonic surveys
- Nuisance circuit breaker tripping
- Power utility power quality surveys
- Discovery of equipment failures caused by 8 kV microsecond transients
Some of the key features of the Fluke 1775 include:
- Automatic measurement of power and power quality parameters
- At-a-glance power quality health for faster troubleshooting
- Easy viewing of V/A/Hz, power, dips, swells, and harmonics data
- Capture of high-speed transients up to 8 kV
- Power directly from the measurement circuit without a line cord
Benefits
The Fluke 1775 Three-Phase Power Quality Analyzer offers several benefits that make it a valuable tool for electrical professionals. These benefits include:
- Faster and easier power quality studies: The Fluke 1775 is engineered to be the faster and easier way to perform power quality studies, thanks to its automatic measurements, intuitive user interface, and easy setup.
- Accurate and reliable data capture: The Fluke 1775 features a unique automatic measurement capture system that helps ensure you’re collecting the right data every time, while still giving you the flexibility to select and adjust specific parameters as needed.
- Best-in-class specifications: The Fluke 1775 offers the best-in-class accuracy you’ve come to expect from a Fluke Power Quality Analyzer, making it a reliable tool for characterizing electrical systems.
- Streamlined reporting platform: The Fluke 1775 comes with a simplified reporting platform that allows you to easily analyze and share your power quality data, saving you time and effort.
- Versatile and all-in-one solution: The Fluke 1775 is an all-in-one solution for precise electrical measurement and analysis, making it a versatile tool for a wide range of applications.
Fluke 1775 Three-Phase Power Quality Analyzer Specifications:
Power quality measurement
- Harmonics:
- h0 … h50 % fund and RMS for voltage, current and power
- Phase angles for voltage and current up to h11
- Interharmonics: ih0… ih50 % fund and RMS for voltage and current
- Supraharmonics:
- 2–9 kHz with 200 Hz bins
- 9–30 khz with 2 kHz bins
- RMS for voltage and current
- Harmonics measurement method:
- Grouped, sub-grouped and single harmonic bins according to IEC 61000-4-7.
- Method selected automatically based on configured PQ standard or user-configurable.
- Total harmonic distortion: Calculated on up to 50 harmonics (depends on selected PQ standard)
- Mains signaling: 2 frequencies in the range from 110 Hz to 3000 Hz
- Triggered recordings:
- Half-cycle RMS of voltage and current for 10 s
- The waveform of voltage and current for 10/12 cycles
- Mains signaling: 200 ms RMS of mains signaling voltage up to 120 s
- Transients: Waveform of voltage (1 MS/s, 25,000 pts)
Electrical measurement accuracy
Parameter |
Range |
Resolution |
Intrinsic Accuracy at Reference Conditions % of Reading + % of Full Scale |
Voltage |
1000 V |
0.1 V |
0.1 % of nominal voltage in accordance with IEC 61000-4-30 Class A ±(0.04 % + 0.004 %) |
Voltage dips and swells |
– |
0.1 V |
0.2 % of Vnom |
Voltage transients |
±8 kVpk |
– |
±5 % +0.25 % |
Voltage harmonics/interharmonics |
100% |
0.1 % / 0.1 mV |
≥1 % Vnom1: ±2.5 % of rdg., <1 % Vnom: ±0.025 Vnom |
THD on voltage |
100% |
0.1 % / 0.1 V |
±(2.5 % + 0.5 %) |
Voltage distortions 2-9 kHz |
Max 100 V |
0.1 mV |
±(2.5 % + 0.1 V) |
Voltage distortions 9-30 kHz |
Max 100 V |
0.1 mV |
±(2.5 % + 0.1 V) |
Current (Rogowski clamp mode) |
With iFlex 1500 A, |
150 A |
0.01% |
±(1 % + 0.02 %) |
i17XX-FLEX1500 24 |
1500 A |
0.1 A |
With iFlex 3000 A, |
300 A |
0.01 A |
±(1 % + 0.03 %) |
i17XX-FLEX3000 24 |
3000 A |
0.1 A |
With iFlex 6000 A, |
600 A |
0.1 A |
±(1.5 % + 0.03 %) |
i17XX-FLEX6000 36 |
6000 A |
0.04 |
With AC clamp 40 A, |
0.17 |
0.001 A |
±(0.7 % + 0.02 %) |
i40s-EL |
40 A |
0.01 A |
With AC clamp 400 A, |
40 A |
0.01 A |
±(2 % + 0.2 %) |
i400s-EL |
400 A |
0.1 A |
±(0.7 % + 0.1 %) |
With AC/DC clamp |
200 A |
0.01 A |
±(0.8 % + 0.2 %) |
2000 A, 80i-2010s-EL |
2000 A |
0.1 A |
Current min/max |
100% |
defined by accessory |
x2 of intrinsic accuracy |
Current harmonics/interharmonics |
100% |
0.1 % / 0.01 A |
≥3 % Inom: ±2.5 % of rdg., <3 % Inom: ±0.15 % of Inom |
THD on current |
100% |
0.10% |
±(2.5 % + 0.5 %) |
Frequency |
42.5 Hz … 69 Hz |
0.001 Hz |
±0.01 Hz |
Voltage unbalance |
100% |
0.10% |
±0.15 % |
Current unbalance |
100% |
0.10% |
±0.15 % |
Flicker Pinst, Pst, Plt |
0 to 20 |
0.01 |
5% |
Mains signaling voltage |
Up to 3 kHz |
0.1 V / 0.1 % |
1-3 % Vnom: ±0.15 % of Vnom, 3-15 % Vnom: ±5 % of rdg. |
0-15 % of Vnom |
AUX input |
±10 V |
0.1 mV |
±(0.2 % + 0.05 %) |
Power/Energy
Parameter |
Direct Input1 |
Clamp i40S-EL |
Power range W, VA, var |
Clamp: 50 mV / 500 mV |
4 A / 40 A |
Rogowski: 15 mV / 150 mV |
Clamp: 50 W / 500 W |
4k W / 40 kW |
Rogowski: 15 W / 150 W |
Max. resolution W, VA, var |
0.1 W |
1 W / 10 W |
Phase (voltage to current) |
±0.2° |
±1° |
General
Calibration cycle |
2 years |
Size (L X W X HD) |
28.0 cm x 19.0 cm x 6.2 cm (11.0 in x 7.5 in x 2.4 in) |
Weight |
2.1 kg (4.6 lb) |
Anti-theft protection |
Slot to support Kensington lock |
Environmental
Operating temperature range |
-10 °C to 50 °C |
Storage temperature range |
-20 °C to 60 °C |
Operating humidity |
IEC 60721-3-3: 3K5, modified: |
-10 °C to 30 °C: ≤95 %, no condensation or ice |
35 °C: 70 % |
40 °C: 55 % |
50 °C: 35 % |
IP Rating |
IEC 60529: IP50 |
Vibration |
IEC 60721-3-3 / 3M2 |
Power supply
- Voltage range: 100 V – 600 V -15 % / +10 % (85 V … 660 V)
- Power consumption: Max. 40 VA
- Mains frequency: 50/60 Hz (42.5 Hz … 69 Hz)
Safety
General |
IEC 61010-1: Pollution Degree 2 |
Power supply |
Overvoltage Category IV 600 V With Mains Adapter MA-C8: Overvoltage Category II 300 V |
Measurement |
IEC 61010-2-030: CAT IV 600 V, CAT III 1000 V |
Altitudes 2000 m to 4000 m |
Derate to: Power Supply: Category IV 300 V With MA-C8 Adapter: Category II 150 V Measurement: CAT IV 300 V, CAT III 600 V, CAT II 1000 V |
Storage
- Data storage: 8 GB internal (expandable with microSD card)
- Memory size:
- Typical 10 logging sessions of 8 weeks with 1-minute intervals and 100 events.
- The number of possible logging sessions and logging period depends on user requirements
- Real time accuracy:
- Internal: 3 ppm (0.26 s per day, 8 s per month)
- NTP (internet time): Depending on internet latency, typical < 0.1 s absolute to UTC
- GPS: < 1 ms absolute to UTC