3-phase power network analyzer with Ethernet and recording

$887.16

Power network analyzer with Ethernet and recording

Manufacturer: LUMEL

Product Code: ND40

SKU: AMI-51628-18

Description

PRODUCT DESCRIPTION

easurement and recording of over 500 parameters, class A for 3-sec. aggregation, harmonics up to 51st, fully configurable graphical screen and user-friendly www server interface – these are just some advantages of our new power network analyzer ND40.

Product features:
  • Measurement and recording of over 500 electric energy quality parameters acc. to EN 50160, EN 61000-4-30, EN 6100-4-7 standards.
  • Measuring class A – for 3 second aggregation. 10 minute and 2 hour aggregation – class S.
  • Operation in 3 or 4-wire, 3-phase, balanced or unbalanced power networks.
  • Analysis of current and voltage harmonics up to the 51st for class I (acc. to EN 61000-4-7).
  • Configurable archives of actual values and event recording.
  • Data archiving on an SD card – memory up to 32 GB.
  • Binary inputs (option).
  • Outputs: relays, binary, analog (option).
  • E-mail messages in case of alarm occurs,
  • WEB Server, FTP Server.
  • Interfaces:
    • RS-485 Modbus Slave,
    • Ethernet 100 Base-t (Modbus TCP Server),
    • USB device & host.
  • Colour touch screen: LCD tFt 5.6”, 640 x 480 pixels, fully configurable by a user
  • Many ways of data presentation (e.g. digital display, analog view, bargraph, vector diagrams)
  • IP65 protection grade from the frontal side.
  • Synchronization of RTC clock with the NTP time server.
  • Overall dimensions: 144 x 144 x 104mm.

SPECIFICATIONS

Inputs

Input type

Measuring range

Parameters

Basic error

Voltage input

230/400 V

0.05…1.2 Un

± 0.1%

Current input

1A or 5A

0.005…1.2 In

± 0.1%

Logic input

6 logic inputs: 0/5…24 V d.c.

switching frequency up to 50 Hz

Input for temp measurement

Pt100: -200….850°C Pt1000: -200….850°C, resistance: 0….5000 Ω

± 0.2%

 

Outputs

Output type

Properties

Analog output

3 programmable current outputs 0/4….20 mA, load resistance < 500 Ω

Relay output

8 programmable electromagnetic relays, voltageless NO contacts, load capacity 250 V a.c./1 A a.c.

 

Rated operating conditions

Supply voltage

85 V…240 V a.c., 40….400Hz|90 V…320 V d.c.

power consumption: 15 VA, 35 VA (when loading)

Ambient temperature

work: 0 up to 50°C

storage: – 20….50°C

Relative humidity

< 75% 

Condensation inadmissible

Reaction against

supply decays

Data and device state preservation

supply recovery

Continuation of device work

Short term load (5s)

2 Un (max. 1000 V)

10 In

Casing protection grade

IP 65

 

Safety requirements

Installation category III

EN 61010-1

Pollution grade 2

Maximum phase-to-earth
operating voltage

RS485, 
temperature/resistance input,
USB: 50V

EN 61010-1

measuring circuit, relays, supply: 300 V

 

Measuring ranges and admissible basic conversion errors

Measuring quantity 

Measurement method

Range

Basic error

Voltage U RMS

U RMS averaged values:
1 s class: B 

3 s class: A

10 min class: S
2 hrs class: S

U RMS L-N (150% Un)
Un = 230 V – 23.0…46…345.0 V (Ku=1)

                                …480.0 kV (Ku≠1)

U RMS L-L (150% Un): 

Un = 400 V – 40.0…80… 600.0 V (Ku=1)
…1020.0 kV (Ku≠1)

Class A acc. to EN 61000-4-30:2008
U RMS  L-N (10% Udin – 150% Udin):  ±0.1% Udin.

Current I RMS

I RMS: averaged values:

1 s class: B 

3 s class: A 

10 min class: S
2 hrs class: S

I RMS (150% In):
In = 1 A – 0.010…0.1…1.5 A (Ki=1)

In = 5 A – 0.050…0.5…7.5 A  (Ki=1)

…480.0 kA (Ki≠1)

I RMS

(10% In – 150% In): ±0.1% of measurement

Frequency

Class S
appointed from 10 or 12 cycles in 200 ms.

42.5 up to 57.5 Hz for 50 Hz a.c. of supply
51.0 up to 69.0 Hz for 60 Hz a.c. of supply

Class S acc. to EN 61000-4-30:2008
±0.050 Hz

Class A
appointed from 100 or 120 cycles in 10 s.

 

Class A acc. to EN 61000-4-30:2008
±0.010 Hz

Active, reactive and apparent power 

 

Active power: 

Measured every 10 cycles (50 Hz) or 12 cycles (60 Hz)

Depends on voltage and actual ratio value.

acc. to EN 61557-12:

Active power: ± 0.5% Pn

Reactive power: ± 1% Qn

Apparent power: ± 0.5% Sn

 

Reactive power:

appointed from apparent and active power.

Apparent power:
appointed from  value U RMS and I RMS.

Active imported/exported energy, 

reactive imported/exported energy, apparent energy

Measured every 10 cycles (50 Hz) or 12 cycles (60 Hz).

 

Separate measurement for exporten, imported active and reactive energy. 

Depends on voltage and actual ratio value. 

acc. to EN 61557-12:

Active power: ± 0,5% 

Reactive power: ± 1% 

Apparent power: ± 2%

Active power factor
Power distortion factor

Active power factor :

depends on U RMS, I RMS and active power

Power distortion factor depends on THD I…

-1,000… 0… 1,000

Power factor PF ± 0.01%

Power distortion factor PFdist ± 0.05%

Harmonics of voltages and current

acc. to EN 61000-4-7:2007, up to 51st harmonic

Window: 10 cycles

(for 50 Hz), 12 cycles

(for 60 Hz). FFT: 4096 points

Voltage harmonics: 0.00… 100.00 %

Current harmonics: 0.00… 100.00 %

 Voltage harmonics – class II

± 5% Urdg if Urdg > 1%

± 0.05% Un if Urdg < 1%

 

Current harmonics – class II

± 5% Urdg if Urdg > 3%

± 0.5% Un if Urdg < 3%

THD U, THD I, THDG U, THDG I,
THDS U,  THDS I, PWHD U,  PWHD I

acc. to EN 61000-4-7:2007, up to 51st harmonic

Window: 10 cycles 

(for 50 Hz), 12 cycles

(for 60 Hz). FFT: 4096 points

THD U: 0.00… 100.00 % 

THD I: 0.00… 100.00 %

THDG U: 0.00… 100.00 % 

THDG I: 0.00… 100.00 %

THDS U: 0.00… 100.00 % 

THDS I: 0.00… 100.00 %

PWHD U: 0.00… 100.00 %

PWHD I: 0.00… 100.00 %

THD U: ±5%    (50/60Hz)

THD I: ±5%    (50/60Hz)

THDG U: ±5%  (50/60Hz)

THDG I: ±5%  (50/60Hz)

THDS U: ±5%   (50/60Hz)

THDS I: ±5%   (50/60Hz)

PWHD U: ±5%  (50/60Hz)

PWHD I: ±5%  (50/60Hz)