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Online monitoring system for wind turbines
Online monitoring system for wind turbines

Online monitoring station Online data collector Online monitoring system Multi channel Data collector data receiver Product Introduction

1) High reliability

Fully Integrated structure:integrates with signal conditioning,power supply,data processing and communication module, the heat emission of hardware has been decreased significantly, without wearing parts such as hard disk, fan.IP65 Protection grade:Dustproof, defending greasy dirt, robust casing for industrial and hard everyday use.Design of the lower consumption:Application of ARM industrial chip, helping to sharply reduce the heat emission of hardware, can work in high temperature industrial field without cooling fan assembly. Avoid temperature rise too much in case of adopting some add-in cards such as PC104 ad so on.Hardware protection:Application of firmware and watch dog, guarantee system is more stable; avoid the damage of computer viruses.Completed self-checking function: Modularity application design, can inspect every independent part of the condition, and present the exceptional report to the software system promptly.

2) Accurately and completely data collection.

Widely dynamic range:24bit A/D converter, plus 2048 times amplifier in signal conditioning, so system gain is greater than 110 dB. Ensured the accurate collection of mV level signal.Widely analysis frequency span, powerful calculation capability: maximal analysis frequency is 20 KHz, and independent of channel number. RH1000 capable of implementing high computational burden algorithms such as FFT processing, maximal lines is 6400.Plentiful modulation function: Acceleration transducer can obtain the signal of acceleration, velocity, displacement after once or twice integral to the original signal.“black boxes”:Systems offers multi event trigger for record function, any data user cares about can be recorded; user can specify the data length before and after activating triggers. 

3) Realize synchronous sampling at any two channels

4) Good scalability

Main technical parameters 

Maximal input Channels

16 channels for vibration

8 channels for Process information,

2 channels for tacho

Maximal output channels

1 line for relay, dry contact

Vibration signal input

Channels

Max.16 Channels, 8,12,16 Optional

synchronous sampling at 4 channels,

synchronous sampling at any two channels

Compatible transducers

Accelerometer, Velocity Pickups, Non-contact Eddy Current Displacement Probes, voltage transducer, 4~20mA

Input

±10V

Transducer driver current

4mA@24V; Constant current source used for ICP model acceleration transducer

A/D conversion

24 bit

Input impedance

220K

Physical quantity

Acceleration, velocity, displacement, user-defined

Integral

Once integral, twice integral

Accelerometer maximum

80g, 200mm/s, 10mm,

Using 100mV/g transducer

Fmax

Frequency Fmax

100Hz –10kHz;9 Position (100,200,500,1K,2K,4K,5K,8K,10K)

Sampling rate

256Hz ~25.6kHz; 9 Position (256,512,1024,2560,5120,10240,12800,256000)

Dynamic.signal range

95dB

Harmonic distortion

<-70dB,Other distortion and noise will be lower

precision

1%( 0.1dB), 80Hz

Lines

400,800,1600,3200,6400

Time domain sampling  

1024,2048,4096,8192,16384

Window function

Hanning, Rectangle window

Averaging type

Linearity, peak hold

Averaging times

1,2,4,8,16,32,64

Process information

Channels

8, Isolation input

Signal range

±12V or 4~20mA

Rotating speed

Channels

2

Compatible type

TTL, Eddy current, Hall,

Triggering level

±2V~±30Vpp

Electric relay output

Channels

1

Type

SPST, Normally open or close

Voltage and current

250V AC,2A

Control terminals

Server

Regular index

Communications

1)Ethernet v2.0. IEEE802.3, TCP/IP, 10/100baseT

2)Wireless network

Memory

256M

Dimensions

360×260×150, metal shell

Protection grade

IP65,waterproof, dust proof

Temperature range

(-40 ~ 60)°C

Humidity

95% RH without condensate

Electromagnetism compatible authentication

Passed the following tests:

1.Electrostatic discharge interference test

2. RFEMS test

3. Electrical fast transient impulses interference test

4. Surging interference test

5. Damped oscillatory wave immunity test

6. power frequency disturbance of magnetic field test

7. Voltage sags, short interruptions and voltage variations immunity test

Anti-explosion options

Anti-explosion indentification

ExibIIAT4

Monitoring station

Exd[ib]IIAT4

Anti-explosion power source

Online monitoring system for wind turbines

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