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I'd love to introduce you INVERTED COMMAS! Some tote bags with original illustrations are available!
INVERTED COMMAS was founded in the fall of 2011, it is currently located in Florence, Italy.
The main purpose was to create a place to share my personal art and make it reach more and more people.
I work in very different areas, so I felt the need to find a vehicle to express myself. Again.
I chose "INVERTED COMMAS" because I'm the kind of person who says "in inverted commas" like a hundred times per day, obviously gesticulating too.
Facebook: www.facebook.com/#!/pages/INVERTED-COMMAS/240291302691146
Tumblr: inverted-commas.tumblr.com
Twitter: twitter.com/#!/INVERTED_COMMAS
Flickr: www.flickr.com/photos/invertedcommas
Chictopia: www.chictopia.com/INVERTEDCOMMAS
Waaree Energies has recently launched the top-quality series of Off-Grid Solar PCU. This is the company well-known for manufacturing Solar Inverter in Delhi. Synergy Wave System LLP is their leading distributor which has decided to make the ecological Solar energy systems exist in stock for everyone through its online e-commerce channel.
U.S. Navy Blue Angels F/A-18 Hornet
Boeing Field, King County International Airport
King County, Washington
The heart of the Ray-MaxTM System, this is a state-of-the art 150 kW transformerless inverter approved for operation with DC string voltages up to 1000 V DC. Using advanced heat transfer techniques (no liquids), in a low profile cabinet (27” high), this inverter has total flexibility as to it’s placement in an array, on a roof, or in an equipment room. The inverter operates at full power up to 40 C, and the components are sealed against atmospheric contamination and moisture ingress when used outdoors. The inverter is certified to the UL 1741 / IEEE 1547 standard for both the US and Canada. Housed in a heavy gage steel cabinet, with a marine grade gloss white powder finish, this inverter stay’s cool in the hot sun.
The inverter is fully compliant with the UL 1741 / IEEE 1547 safety requirements, and when used in a stand – alone application (no master controller), will manage it’s MPPT and grid interconnect safety functions. Self protected against all forms of overheating, overcurrent, etc., this is a highly reliable design, with all active components mounted on a chassis that can be swapped out in 30 minutes if service is required over its lifetime.
When used in a Ray-MaxTM system, the inverter accepts commands from the master controller which controls when it is active (on-line) and whether it is the “master” for that day, or one of the slaves. In Master mode, the inverter manages the MPPT function for the entire array, communicating to the controller when it needs additional capacity from the other inverters to harvest the available energy.
The Ray-MaxTM inverter has a peak efficiency of 98 % (CEC listed as 95.5 % with a matching transformer) and includes an extended 20-year warranty.
I inverted this image
www.flickr.com/photos/dolcepics/3856936523/
Adjusted the hue then ran PW's heartland (10%) and Colorized (50%) actions in Photoshop.
I like this one better. hehe
JR700-1R5H-4
Place of Origin: Zhejiang, China (Mainland)
Brand Name: JAROL
Model Number: JR700-1R5H-4
Output Power: 1.5KW
Output Type: Triple
Size: 170*126*150
Weight: 2.8KG
Input Voltage: 380V
Output Voltage: 0--415V
Type: AC/AC
Output Frequency: 0--400hz
Output Current: 4A
Technical properties
JR7000 UNIVERSAL VECTOR AND ENERGY SAVING SPECIAL TYPE / SPWM control
Overload capacity150% rated current 60S;180% rated current 10S;
Timing proportion <1:40
Frequency control precision±0.1%
Carrier frequency1.0K-15.0KHZ
Pure sine wave inverter
Functions and Features
High reliability with the motor control IC+IGBT at the core
A wider tolerance for the changes of supply voltage by ±15%
PID controller which is used in close loop control systems
Simple PLC which can achieve multi-speed, quasi winding and unwinding function, wobble, etc
High startup torque which can reach 150%while 1HZ
Good overload capacity which can reach 150% for 1 min, and 180% for 0.2 sec
Output frequency resolution can reach 0.01 HZ
Three user-defined frequency by passes and a range
Automatic compensate output torque when output frequency is low
Automatic regulate output voltage when supply voltage changes in range
Automatic energy-saving function which can automatic calculation the optimal output voltage
according to the load to save energy
JAROL communication protocol and modbus protocol, and it is easier for user to build up
centralized control system
link: www.china-inverter.net/
After reviewing the few rare photos of other RV-4 inverted oil installations that I could find on the web, I finally came up with this. It's on the LEFT side of the firewall instead of the right side that is usually seen in other installations. The right side was a little bit "busy", with the heat muff hoses and the inverted vent tank located there. Hoses, fittings, and firesleeve to connect up this valve to the engine cost almost as much as the valve itself!
It took quite a few evenings of holding the valve in various positions to get the right combinations of vertical placement, access to fasteners, and hose clearance. Once I figured out where it had to be mounted, I bent and riveted the 3-piece bracket in one evening. I still need to place a doubler inside the firewall, as that stainless steel is pretty thin and I'm worried about developing cracks around the fasteners.
inverters and batteries mediate between our solar cells, hydroelectric generator and our back-up diesel-powered generator and the draw from the house and work-shop
Digitally inverted from a new original unwaxed calotype negative
Pelegry dry calotype process with modified dr. Keith iodization (dropped free Iodine)
Canson Marker Layout Paper (batch 6-no 5)
Sensitized 3.3.12 according to Pelegry procedure (0,4 l sensitizer) with a preserving bath 2 weeks old (kept cool)
Exposed 4.3.12 on lightly overcast afternoon for 15 min at f/8 whole plate camera, no glass covering the paper negative.
Developed for 1,5 hr in 0,8% gallic acid, boosted with AgNO3 and acitic acid after 10 min
The rocks are pretty black.
Highlights showing well before development.
www.hiconics-global.com/products/3-phase-660v-t7-450kw-20...
Superior speed sensing-free vector control algorithm to ensure high torque output at low frequency and heavy load starting capability. The non-speed sensing vector control algorithm for three-phase AC permanent magnet synchronous motor adopts high-frequency voltage input method, which can guarantee 200% torque output at 0HZ. Modular design: the control module adopts the industry-leading dual-core control chip, which can meet the high-performance drive requirements of IM and PM motors.
Technical Parameters of 3 phase 660V (T7)/450kW~2000kW Low Voltage Drive
3 phase 660V (T7) /450kW~2000kW High Performance Engineering Low Voltage Drive
ModelRated power(kW)Rated current(A)Dimension(W*H*D)Quantity of rectifier modulesWidth of rectifier module (mm)Quantity of inverter modulesWidth of inverter module (mm)Weight (kg)
T7(690V)
HIC800-T7-710G2AS7107482320×630×22002700310001450
HlC800-T7-800G2AS8008552320×630×22002700310001450
HlC800-T7-900G2AS9009612720×630*22002700414001550
HlC800-T7-1000G2AS100010682720×630×22002700414001550
HlC800-T7-1100G2AS110011753020×630×22002700517001600
HlC800-T7-1250G2AS125013353020×630×22002700517001600
HlC800-T7-1400G2AS140014963620×630×220031000620001750
HlC800-T7-1600G2AS160017093620×630×220031000620001750
HlC800-T7-1800G2AS180019234020×630×220031000724001900
HlC800-T7-2000G2AS200021374720×630×220041400827002000
ItemSpecifications
Main control
functionsMaximum
frequencyVector control: 0~600Hz
VF control:0~1200Hz
Carrier Frequency1k ~ 15kHz; the carrier frequency will be automatically
adjusted according to the load characteristics.
Input frequency
resolutionDigital setting: 0.01Hz
Analog setting: maximum frequency ×0.1%
Control modeOpen loop vector control ;
V/F control.
Start-up torqueMode G machine: 0.5Hz/180% (open loop vector control)
Mode P machine: 0.5Hz/120% (Open loop vector control)
Speed adjustment
range1：200（Open loop Vector flux control）
Main control
functionsStable speed
PrecisionOpen loop Vector flux control：≤±0.5% (rated synchronous
speed)
Stabilization of
speed controlOpen loop Vector flux control：≤±0.3% (rated synchronous
speed)
Torque response≤40ms(Open magnetic flux vector control)
Overload capacityMode G machine: 150% rated current 60s; 180% rated current 5s
Mode P machine: 130% rated current 60s; 150% rated current 5s
Torque boostAutomatic torque boost; manual torque boost 0.1% to 30.0%
V/F curveLinear V/F, Multi-point V/F, and Square V/F
Speed-up andStraight line or S curve speed-up and speed-down mode;
four kinds of speed-up and speed-down time;
Speed-down curveSpeed-up and speed-down time ranges from 0.0s
to 3000.0s
DC brakeDC brake frequency: 0.00Hz ~ maximum frequency; brake time: 0.0s ~ 36.0s, and brake current value: 0.0% to 100.0%.
Jog controlJog frequency range:0.00Hz ~ 50.00Hz;
Jog speed-up/speed-down time: 0.0s ~ 3000.0s.
Simple PLC and
multi-speed runningIt can realize a maximum of 16 segments speed running via the built-in PLC or control terminal.
Built-in PIDIt is easy to realize process-controlled close loop control system.
（AVR）Automatic
voltage regulationIt can keep constant output voltage automatically in case of change of mains voltage.
Torque limit and
control"Shovel" characteristics, automatic limit on the torque on running time, preventing frequent over-current trip; closed loop vector mode can realize the torque control
Customized functionsPeripherals
self-detection upon
power-onIt can conduct safety detections on the peripherals upon power-on, including earth and short circuit detections.
Shared DC bus
functionIt can realize the function that multiple inverters share the DC bus.
JOG keyProgrammable key: Select the forward and reverse rotations/jog operation command.
Traverse frequency
controlMultiple triangular-wave frequency control function.
Fast current limit
functionWith fast current limit algorithm built in to reduce the probability of over-current alarm; to improve the anti-jamming capacity of the whole machine.
Timed controlTiming control function: Setting time range from 0h to 65535h.
Keyboard extension
line standardizationCustomers can use standard cable to extend the keyboard
Operation
functionRunning command
channelThree types of channels: operation panel given, control terminal given and serial communication port given. These channels can be switched in various ways.
Frequency sourceTen types of frequency sources in total: digital given, analog voltage given, analog current given, pulse given, and serial port given. It can be switched in various ways.
Auxiliary frequency
sourceTen types of auxiliary frequency sources in total. It can implement micro tuning and synthesis of auxiliary frequency.
Input terminalSeven digital input terminals, and nine terminals in maximum
(AI1, AI2 can be used as DI terminals), it has compatibility to
PNP or NPN input method.
Two analog input terminals, in which AI1 only be used for
voltage input, and AI2 can be used as voltage or current
input. (if expanded- input or output terminal function is
needed, please use HIC580 series.)
Output terminalOne digital output terminal (bipolar output)
Two relay output terminal
Two analog output terminals, with optional 0/4mA to 20mA
or 0/2V to 10V. It can realize the output of set frequency,
output frequency and rotation speed etc.
Display and Keyboard
OperateLED displayDisplay parameter
LCD displaySelective parts, Chinese/English to suggest the operation
content
LCD Parameter copyUse LCD parameter special copy keyboard can copy the
parameter quickly
Key lock and
function chooseLock part of the keyboard or the whole keyboard, definite the
function range of some keys to avoid mis-operation.
Protection
and select
accessoriesprotection functionShort circuit detective of power-on motor, input and output
open-phase protection, over-current protection, overvoltage
protection, under-voltage protection, over-heat protection,
over-load protection etc.
Selective accessoriesLCD operation panel, brake group etc.
EnvironmentSuitable placeIndoor environment which is against from direct sunlight,
dust, corrosive gas, combustible gas, oil mist, vapor, water
drop and salt.
AltitudeLess than 1000m
Ambient
Temperature-10℃ ~ +50℃ (derating is required if the natural temperature
range is 40℃ ~ 50℃)
HumidityLess than 95%RH, no condensing water drops
VibrationLess than 5.9m/ s2 (0.6g)
Storage temperature-20℃ ~ +60℃
Class of pollution2
Very creepy house off of Hwy 120 West of Thermopolis. The front door is boarded up with almost looks like an inverted cross. We saw no No Trespassing signs, so we went on in via the back door. The back door was wide open, but there was a pool of blood (no, really) on the back stoop that we had to step over.
An A-Ward 30T Container Inverter is being used to invert 20ft ISO Shipping Containers so that they can be loaded with scrap, then taken by Patrick to the Port of Melbourne, where they are shipped to China, where the container and its contents are put through a massive shredder, then fed into the furnace.