MAVR Modular AC Voltage Regulator-Fornitore globale

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1705, Building 12, No. 555 Chengyin Road, Baoshan District, Shanghai

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MAVR Modular AC Voltage Regulator

MAVR modular contactless AC voltage regulator is a voltage regulator power supply developed by Nuoyi Company, which uses ARM's new generation 32-bit p

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	Voltage bidirectional compensation to solve the problem of high and low voltage
	No contact, no carbon brush, no machinery, no motor, maintenance free
	Fast dynamic response and stable speed
	功率因数高
	high efficiency
	LCD parameter display, simple and easy to understand
	RS232 communication interface, standard MODBUS-RTU protocol, optional TCP/IP interface, remote viewing and control through mobile APP

input parameters

parameter name	indicator	Remarks
rated voltage	Three phase 380V/400V (customizable for any voltage) Single phase 220V/230V (customizable for any voltage)	Three phase four wire (L1, L2, L3, N)+ground wire (PE) Single phase two-wire (L, N)+ground wire (PE)
Input Range	± 20% (customizable for other ranges)
input frequency	40-70HZ
Isolation transformer	△/Y	Option, not standard
Dual power input function	ATS dual power input function, with oil engine start interface	Option, not standard
efficiency	>98%

output parameters

parameter name	indicator	Remarks
Output center voltage	Three phase 380V/400V (± 7% adjustable) Single phase 220V/230V (± 7% adjustable)	Three phase four wire (L1, L2, L3, N)+ground wire (PE) Single phase two-wire (L, N)+ground wire (PE)
Output voltage accuracy	± 1-5% (2-5% for regular products)
Output additional voltage harmonic THDv	No additional waveform distortion (static)
Three-phase balance degree	Three phase voltage automatic balancing
Load nature	Any load
overload capacity	120% 10 minutes 150% 1 minutes
Bypass function	Equipped with uninterrupted automatic bypass	Optional dual bypass function, with additional manual bypass

control parameters

parameter name	indicator	Remarks
Main control components	The main measurement control chip adopts ARM32-bit processor, and the voltage compensation execution element adopts thyristor
Control sampling rate	＞8K/S
Response compensation speed	Fastest 100ms (adjustable)	Including fluctuations in input voltage and changes in load power from 0-100% or 100% -0
Control voltage and current acquisition method	Numerical calculation of true significant value
Control method	Voltage closed-loop control
interface	RS485, MODBUS-RTU protocol	Optional TCP/IP, GPRS

Display parameters

parameter name	indicator	Remarks
Display medium	192*64（LCD）
Display rated parameters	Output phase voltage, output current, frequency, power, load rate percentage
Display alarm content	Fuse breakage, output overvoltage, output undervoltage, output overload, phase sequence error, phase loss, surge protection module failure
Rated parameter display accuracy	Level 1.0
Voltage parameter resolution	0.1V	Customizable higher resolution
Resolution of current parameters	0.1A	Customizable higher resolution

protection parameters

parameter name	indicator	Remarks
Protection type	Input phase sequence error, phase loss, output overvoltage, output undervoltage, fuse breakage, lightning surge failure, output overload, short circuit
protection method	1. Cut off the output when there is a malfunction, and restore it after normal operation; 2. Cut off output; 3. Uninterrupted bypass; 4. Not moving. Any one can be set

physical parameters

parameter name	indicator	Remarks
cooling method	Natural cooling or forced air cooling
Protection level	Indoor IP20; Outdoor IP33 or higher rating

Model Naming

Three phase model specifications

Model	Rated current (A)	voltage parameter	*Dimensions W D * H**	Remarks
MAVR3-10KVA	15	Input range: ±20%	444(482)625262mm
MAVR3-20KVA	30		444(482)625262mm
MAVR3-30KVA	46		444(482)655399mm
MAVR3-40KVA	61		444(482)655399mm

Single phase model specifications

Model		voltage parameter	*Dimensions W D * H**	Remarks
MAVR1-3KVA	13.5	Input range: ±20%	444(482)625262mm
MAVR1-5KVA	22.5
MAVR1-10KVA	45
MAVR1-20KVA	90
MAVR1-30KVA	137		444(482)655399mm
MAVR1-40KVA	182		444(482)655399mm

Explanation: The product is constantly being upgraded, and updates may lag behind. This technical information is for reference only.

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