QTY |
FOB PRICE |
CIF PRICE
QUANTITY
-
+
SET
TOTAL COST
$1660Material : Default |
Pcs/Carton : N/A | Packing Size/Carton : N/A | Packing Vol/Carton : N/A |
N.W./Carton : N/A | G.W./Carton : N/A | QTY in 40HQ : N/A |
QTY in 40GP : N/A | QTY in 20GP : N/A |
uGeneral instruction
NSR- 3760 series intelligent power distribution and monitoring products includingNSR - 3761 power parameter measuring instrument,NSR-3762 power quality monitoring device, NSR - 3763 gatewaymeter, NSR3765 power integrated monitoring and controlling protection device,etc., NSR-3760 series products widely adapt to various of control system, energy management system,distribution network automation, district power monitoring,industrial automation, intelligent building, intelligent switchboard,switchgear, which voltage level no more than 10 KV. The advantages of NSR-3760series product are convenient installation, wiring simple, easy maintenance, low engineering quantity,etc.
u Features
² Adopthigh performance hardware platform, 32-bit RISC CPU, rich of external settingresources.
² Adopthigh speed sampling AD.
² Main bodyis made with high reliability industrial class component, adopt automaticmonitoring and compensation technology to improve the stability and reliabilityof the hardware.
² Resistancestrong interference, adapt the special rugged environment.
² Analogcircuit with high precision, wide range component, without amplitude, phaseadjust circuit, circuit simple and reliable, without zero drift, low workloadof debugging and maintaining.
² LCD,interface menu intuitional and friendly, information detailed and visual,convenient operating and debugging.
² Consummatedevice self-checking strategy
u Functions
² Can measure the fullelectric quantity parameter
² Can measure theharmonic and display it as bar graph, can calculate the harmonic containingrate and distortion rate.
² Possess out-of-limitalarm function and voltage swell, voltage dip, transient and flicker judgmentfunction.
² With switch valueinput, used to monitor external middle control contactor
² With relay output,used to control other devices
² Can output DC24Vpower supply to charge the external transducer
² Can outputmulti-circuit 4-20mA analog quantity
² RS485 interface,support Modbus-RTU communication protocol, parameter can be setup, supportethernet
² Possess powermetering, statistics, freeze function, can provide multi-rate and sub-timebilling.
² Possess variety ofprotection such as repressing directional over-current, high circle loadshedding, low voltage, high voltage and resist countercurrent.
Specification
Product |
NSR-3761 |
NSR-3762 |
NSR-3763 |
NSR-3765 |
|
General instruction |
|||
Adopt high voltage/low voltage system |
w |
w |
w |
w |
Current precision(1A-5A) |
0.5% |
0.2% |
0.1% |
0.2% |
Voltage precision(phase 57-288V) |
0.5% |
0.2% |
0.1% |
0.2% |
Electrical energy and power precision |
1.00% |
0.50% |
0.20% |
0.50% |
Sampling point/circle wave or sampling frequency |
64 |
128 |
1024 |
128 |
|
Real-time effective value measuring |
|||
Current, voltage, frequency |
w |
w |
w |
w |
Active, reactive, apparent power total/phase |
w |
w |
w |
w |
power factor total/phase |
w |
w |
w |
w |
|
Electrical energy |
|||
Active, reactive, apparent electrical energy |
w |
w |
w |
w |
Can setup accumulate mode |
w |
w |
w |
w |
|
Demand |
|||
Current, present/max |
w |
w |
w |
w |
Active, reactive, apparent power, present/max |
w |
w |
w |
w |
Demand interval synchronization |
w |
w |
w |
w |
Demand measuring mode interval/slip difference |
w |
w |
w |
w |
|
Power quality measuring |
|||
Harmonic distortion, current and voltage |
w |
w |
w |
w |
Fractional harmonic |
31 |
63 |
63 |
63 |
Waveform capture |
w/o |
w |
w/o |
w/o |
Voltage swell, dip, short interruption |
w/o |
w |
w/o |
w/o |
Transient capture |
w/o |
20µs |
w/o |
20µs |
Flickering |
w/o |
w |
w/o |
w |
High speed data recording (100 or 200ms) |
w/o |
w |
w/o |
w |
Power freeze (hour, day, month, meter reading day) |
w/o |
w |
w/o |
w |
Can programmed (logic and count ) |
w/o |
w |
w/o |
w |
|
Protection function |
|||
Compound voltage direction over-current protection |
w/o |
w/o |
w/o |
w |
Low circle load shedding |
w/o |
w/o |
w/o |
w |
High circle load shedding |
w/o |
w/o |
w/o |
w |
Low voltage protection |
w/o |
w/o |
w/o |
w |
Over voltage protection |
w/o |
w/o |
w/o |
w |
Resist counter current protection |
w/o |
w/o |
w/o |
w |
|
Data recording |
|||
Mix/max value |
w |
w |
w |
w |
Data recording |
w |
w |
w |
w |
Event recording |
w |
w |
w |
w |
SER (Sequence of event recording) |
Optional |
Optional |
Optional |
Optional |
Time scale |
w |
w |
w |
w |
Memory(M) |
2 |
128 |
128 |
128 |
|
Communication |
|||
RS485 Modbus protocol |
w |
w |
w |
w |
Ethernet port |
w/o |
1 |
1 |
1 |
Alarm (automatic alarm available) |
w |
w |
w |
w |
|
Assistant function |
|||
Self-checking |
w |
w |
w |
w |
Hardware loop online testing |
w |
w |
w |
w |
|
Additional |
|||
F76X4 |
8DI, 2DO |
8DI, 2DO |
8DI, 2DO |
8DI, 2DO |
F76X3 |
6DI, 4DO |
6DI, 4DO |
6DI, 4DO |
6DI, 4DO |
F76X2 |
2AI, 2AO, 4DO |
2AI, 2AO, 4DO |
2AI, 2AO, 4DO |
2AI, 2AO, 4DO |
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