Integrated Optimization Device for Special Power Quality(MEC)

At present, most tire manufacturers in China have installed traditional reactive power compensation devices based on capacitors. In the actual application of the power supply system of tire production equipment, there are many problems, such as: slow response speed of reactive power adjustment, fast capacity attenuation, short operating life, easy resonance, large size of the device, and high power loss. In fact, traditional reactive power compensation devices based on capacitors are installed for high-harmonic content equipment such as smelters. Not only are capacitors often burned, but the most serious ones are to amplify harmonic currents, aging the insulation of rubber tire production equipment such as smelters, and reducing the service life of equipment. Bring safety hidden danger, increase line loss, cause power waste.
The Power Quality Integrated Optimization Device(MEC) uses the most advanced high-power semiconductor devices(IGBTs) to generate current or voltage signals that are contrary to the system's power quality problems; A device that eliminates reactive power, harmonics, voltage fluctuations, and three-phase unbalanced power quality improvements in the system. It has many functions such as reactive power compensation, harmonic filtering, balancing three-phase current, stabilizing grid voltage, and suppressing grid flash. The response time is less than 2ms, which can solve many inherent defects of traditional parallel capacitor reactors. It can satisfy the application requirement of rubber tire industrial production equipment system.

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Description

Features		?After installation
1. 400V, 600V, 660V, 690V, and 750V, and unit capacity up to 10Mvar. 2. Modular design, each module unit can individually or simultaneously compensate reactive power, harmonic and voltage. 3. High control ability on fluctuation and flickering, and damp the resonance of power network. 4. Adopt the PWM interleaving technique, with low harmonic of itself. 5. Rapid response, less than 3 ms. 6. Low power consumption of itself, and small land occupation area. 7. Increase the capacity, reduce the loss, purify the power network and the energy-saving rate up to 5-12%.		1. The average power factor over 0.95, significantly reducing the line loss of reactive power. 2. Eliminate the harmonics, reduce the line loss of harmonics in power network, increase the voltage eligibility rate, improve the quality of power supply, and lengthen the service life of electric power and production equipment. 3. Improve the production efficiency and reduce the energy consumption of unit product. 4. MEC renders high operating reliability, without vulnerable parts, longer service life and greatly reducing the maintenance expenses of equipment. 5. Save power costs drastically, and promote the operation of power network.

?Product parameter

Specification	Capacity of internal mixer (with transformer)
	1250kVA	2000kVA	2700kVA	4000kVA
MEC type	NME06-600EDBA	NME06-900EDBA	NME06-1200EDBA	NME06-1800EDBA
MEC capacity	600kvar	900kvar	1200kvar	1800kvar
Rate voltage（VAC）	660V
Input voltage range（VAC）	530-760
Working frequency（Hz）	50±5%
Rated current（A）	525	787	1050	1575
Overload current multiples	1.2
Overall dimensions/mm（WxDxH）	6008002200	9008002200	12008002200	18008002200
Working ambient temperature（℃）	-30~50 (derating for above 40℃)
Working ambient humidity（%）	<95%，no condensation
Cooling mode	Forced air cooling
IP grade	Standard IP32 (with other grades customized)
Operating altitude	≤2000m (derating for above 2000m)
Range of reactive power adjustment	Continuously adjustable from rated capacitive reactive power to rated inductive reactive power
Times of harmonics filtering	2~13 times
Harmonic compensation rate	?80%
Response time	<2ms
Allowed voltage swell	110%
Allowed voltage sag	70%
Allowed voltage flickering width	2s
Display	HMI with the function of real-time display
Intelligent communication	TCP/IP GPRS Modbus
Storage, transportation and temperature	-40~70℃
Reliability and life time	Design life of 20 years
Electromagnetic compatibility	Meet GB 7251-2005（GB/T 7261-2000）

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High Voltage static dynamic reactive Power compensation and filter device

Integrated Optimization Device for Special Power Quality(MEC)

Features

?After installation

?Product parameter