Fluke 1775 Three-Phase Power Quality Analyzer

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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	±(1 % + 0.02 %)
	With iFlex 3000 A,	300 A	0.01 A	±(1 % + 0.03 %)
	i17XX-FLEX3000 24	3000 A	0.1 A	±(1 % + 0.03 %)
	With iFlex 6000 A,	600 A	0.1 A	±(1.5 % + 0.03 %)
	i17XX-FLEX6000 36	6000 A	0.04	±(1.5 % + 0.03 %)
	With AC clamp 40 A,	0.17	0.001 A	±(0.7 % + 0.02 %)
	i40s-EL	40 A	0.01 A	±(0.7 % + 0.02 %)
	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	±(0.8 % + 0.2 %)
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.
Mains signaling voltage		0-15 % of Vnom	0.1 V / 0.1 %	1-3 % Vnom: ±0.15 % of Vnom, 3-15 % Vnom: ±5 % of rdg.
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	4 A / 40 A
	Clamp: 50 W / 500 W	4k W / 40 kW
	Rogowski: 15 W / 150 W	4k W / 40 kW
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