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Power Quality Drives
高电压工程公司附属公司
A Subsidiary of High Voltage Engineering Corporation
完美无谐波系列高压变频器
Perfect Harmony Series Medium Voltage Drives
ROBICON
The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
高电压工程公司
电气自动化控制系统
ROBICON
电力电子产品
电动机/发电机
The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
Installed Base Summary-MV Drives
Sales History-Units
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1996
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ROBICON
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1992
1990
1988
1986
1984
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The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
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ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY
完美无谐波变频器
单元串联多电平PWM高压变频器
最先使用IGBT的高压变频器,本质上满
足
IEEE519-1992 对电压电流谐波失真的要
求
ROBICON
The Sine of Quality
Power Quality Drives
完美无谐波高压变频器
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
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全球范围内超过1100台销售业绩
输入谐波优于IEEE 519 1992标准
97% 系统总体效率(包含变频器和变压器
部分)
几乎完美正弦输出波形(无需输出滤波器)
体积最小的高压变频器
模块化设计，冗余设计，空冷，水冷，多
电机运行
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Water
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Chemical
Utility
ROBICON
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ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY CONCEPTS 完美无谐波变频器设计原理
A 4160 VOLT SUPPLY CAN BE ASSEMBLED FROM 480 VOLT SOURCE
4160V的输出可以通过480V单元的叠加形成,
A 6000V 的输出则由630V 单元的叠加形成
4160 VOLTS
LINE-TO-LINE
线电压
2400 VOLTS
LINE-TO-NEUTRAL
相电压
THESE SOURCES ARE
IN PHASE AT 240
DEGREES LAG ANGLE
C
ROBICON
THESE SOURCES ARE
IN PHASE AT ZERO
DEGREES LAG ANGLE
N
THESE SOURCES ARE
IN PHASE AT 120
DEGREES LAG ANGLE
B
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器拓扑图
4160 VOLT DRIVE TOPOLOGY
LEAD 24
POWER
CELL
A1
LEAD 24
POWER
CELL
B1
LEAD 24
LEAD 12
POWER
CELL
C1
POWER
CELL
A2
LEAD 12
POWER
CELL
B2
LEAD 12
NO SHIFT
POWER INPUT
3 PHASE AC
ANY VOLTAGE
POWER
CELL
C2
POWER
CELL
A3
NO SHIFT
POWER
CELL
B3
NO SHIFT
LAG 12
POWER
CELL
C3
POWER
CELL
A4
LAG 12
POWER
CELL
B4
LAG 12
LAG 24
LAG 24
POWER
CELL
C4
POWER
CELL
A5
POWER
CELL
B5
LAG 24
POWER
CELL
C5
4160 VAC
INDUCTION
MOTOR
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器拓扑图
2400 VOLT DRIVE TOPOLOGY
POWER
CELL
A1
POWER
CELL
B1
POWER
CELL
C1
INPUT POWER
3 PHASE AC,
ANY VOLTAGE
POWER
CELL
A2
POWER
CELL
B2
POWER
CELL
C2
POWER
CELL
A3
POWER
CELL
B3
POWER
CELL
C3
2300 VAC
INDUCTION
MOTOR
ROBICON
The Sine of Quality
Power Quality Drives
CURRENT HARMONICS OF VARIOUS
DRIVES 不同变频器的输入电流谐波比较
THE FOLLOWING HARMONIC DISTORTION FIGURES ARE TYPICAL
VALUES FOR VARIOUS VFD FORMATS. VALUES BASED ON
ASSUMED POWER SOURCE
DRIVE TYPE
±äƵÆ÷Àà±ð
6-PULSE PWM
6Âö³ åPWM¼Óµç¿¹ Æ÷
2.5% LINE R
6-PULSE CSI µçÁ÷Ô´
2.5% LINE R
CSI-12-PULSE
12 Âö³ åµçÁ÷Ô´
PWM 12-PULSE
12 Âö³ åPWM
PERFECT HARMONY
9 CELL
9µ¥Ôª Í êÃÀÎ Þг ² ¨ ±äƵ
PERFECT HARMONY
15 CELL
15µ¥Ôª Í êÃÀÎ Þг ² ¨ ±äƵ
ROBICON
CTHD
×ܵçÁ÷
ʧÕæ
41
5TH 7TH 11TH 13TH 17TH
5´ Î 7´ Î 11´ Î 13´ Î 17´ Î
19TH 23RD
19´ Î
23´ Î
25TH 29TH
25´ Î 29´ Î
37.8
13
7.3
3.3
3.1
1.9
1.6
1.3
.9
28.8
21
12.8 8.8
6.8
5.3
4.5
3.7
3.2
2.6
11.7
0
0
8.4
6.9
0
0
3
2.6
0
7.4
0
0
6.4
3.3
0
0
1.1
1.1
0
3.47
.01
0
0
0
2.75
1.93
0
0
0
1.21
.01
0
0
0
0
0
0
0
.85
The Sine of Quality
Power Quality Drives
PERFECT HARMONY CONCEPTS 完美无谐波变频器概念
AC Line Current Spectrums 电流谱
Comparison of Diode/Capacitor Versus 二极管/电容系统 和
SCR/Choke Input (10%Source Reactance) 可控硅/扼流圈系统的比较
Percent of Fundamental Amperes 基波电流百分比
25
20
15
10
5
0
5
7
11
13
17
19
23
25
29
31
35
37
Harmonic Number谐波次数
Diode/Capacitor
二极管/电容
ROBICON
SCR/Choke
可控硅/扼流圈
The Sine of Quality
Power Quality Drives
PERFECT HARMONY CONCEPTS 完美无谐波变频器概念
INPUT WAVEFORMS AT 6000 VOLTS, FULL LOAD 满载时输入波形
ROBICON
The Sine of Quality
Power Quality Drives
Harmonic Distortion 谐波失真
Robicon Perfect Harmony Drive vs. Conventional Current Source Drive
Conventional Current Source Inverter 普通电流源变频器
Voltage电压
Current电流
Total Harmonic Distortion Current = 25 % 电流失真
Total Harmonic Distortion Voltage = 10 % 电压失真
Robicon Perfect Harmony Drive 完美无谐波变频器
Voltage电压
Current电流
Total Harmonic Distortion Current = .8% 电流失真
Total Harmonic Distortion Voltage = 1.2% 电压失真
1000 HP VFD, 1100 KVA 5.75 % Impedance Source
ROBICON
The Sine of Quality
Power Quality Drives
IEEE 519 Table 10.3
Current Distortion Limits for General Distribution Systems
IEEE519对电流失真的限制要求
Isc/Il
< 11
(5, 7)
11<=h<17
(11, 13)
17<=h<23
(17, 19)
23<=h<35
(23, 31)
35 <=h
(35 up)
TDD
< 20
4.0
2.0
1.5
0.6
0.3
5.0
20<50
7.0
3.5
2.5
1.0
0.5
8.0
50<100
10.0
4.5
4.0
1.5
0.7
12.0
100<1000 12.0
5.5
5.0
2.0
1.0
15.0
7.0
6.0
2.5
1.4
20.0
> 1000
ROBICON
15.0
The Sine of Quality
Power Quality Drives
ADDITIONAL COMPONENTS REQUIRED
FOR A CSI VFD TO DUPLICATE
PERFECT HARMONY
INPUT HARMONICS PERFORMANCE
电流源变频要达到完美无谐波变频所需附加的设备
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY CONCEPTS 完美无谐波变频器概念
POWER CELL SCHEMATIC 功率单元结构图
Q1
Q3
+
DEDICATED
1
T2
460 VAC
2
POWER
OUTPUT
WINDING
ON POWER
T1
+
3
OF CELL
TRANSFORMER
Q2
LOCAL
CONTROL
POWER
ROBICON
Q4
FIBER OPTIC
LOCAL CONTROL CIRCUITS
SIGNALS TO AND
FROM MASTER CONTROL
The Sine of Quality
Power Quality Drives
PERFECT HARMONY CONCEPTS 完美无谐波变频器概念
ADDITION OF THREE CELL OUTPUTS TO GET PHASE VOLTAGE
三个单元输出的叠加得到一相的电压 (以 2400V 输出为例)
CELL 1
单元 1
CELL 2
单元2
CELL 3
单元3
COMPOSITE
合成
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器
OUTPUT WAVEFORMS AT 6000 VOLTS, 50 HZ输出波形
ROBICON
The Sine of Quality
Power Quality Drives
每相 5 单元串联完美无谐波变频器满载输出电压频谱
1
1000 HZ PER DIVISION
ROBICON
The Sine of Quality
T o r q u e P u l s aPower
t i o n sQuality
a t 3Drives
0 H e r t z , F u ll L o a d
9 0 0 H P , F o u r - P o le M o t o r o n R o b ic o n
Torque Pulsations转矩脉动D r i v e
P e r f e c t H a r m o n y V a r ia b le F r e q u e n c y
Robicon Perfect Harmony Series @ 30 hertz, full load
P e r c e n t o 完美无谐波变频在满载
f R a te d To rq ue
30HZ时情况
1 0 0
1 0
1
Rated
Torque
(%)
额定转矩%0 . 1
0 .0 1
0 .0 0 1
0
10 0
2 0 0
3 0 0
4 0 0
5 0 0
Pulsation Frequency in Hz 脉动频率
P u ls a t io n F r e q u e n c y i n H z
ROBICON
The Sine of Quality
Power Quality Drives
Torque Pulsations 转矩脉动
6 pulse CSI @ 30 hertz, full load
6脉冲电流源波变频在满载 30HZ时情况
ROBICON
The Sine of Quality
Power Quality Drives
Measured Power Factor 输入功率因数
Robicon Perfect Harmony Series vs. Convential CSI
Perfect Harmony完美无谐波变频
Power
Factor
(%)
功率因数
Conventional CSI普通电流源变频
Percent Load 负载百分比
Total power factor includes distortion and displacement power factor.
ROBICON
The Sine of Quality
Power Quality Drives
System Efficiency 系统效率
Robicon Perfect Harmony Series vs. Traditional CSI
1 0 0
9 8
9 6
Perfect Harmony 完美无谐波变频
9 4
9 2
Efficiency
(%)
效率
9 0
8 8
8 6
Conventional CSI普通电流源变频
8 4
82
8 0
10
20
3 0
4 0
5 0
60
70
8 0
9 0
10 0
Percent Load 负载
System efficiency includes isolation transformer, harmonic filter, power factor correction and drive.
ROBICON
The Sine of Quality
Power Quality Drives
EFFECT OF POWER SYSTEM ON
PERFECT HARMONY 电源变化对 完美无谐波
变频器 的影响

RIDE THROUGH VOLTAGE SAG OF - 30%
可承受 -30%的电压下降

RIDE THROUGH TOTAL POWER LOSS FOR 5 CYCLES
可承受5个周期的电力丧失

RE-START INTO A MOTOR WHICH IS STILL SPINNING
电机还在旋转的情况下可重新起动
ROBICON
The Sine of Quality
Power Quality Drives
Vo lt a ge Dip W it hs t a nd Ca pa b il it y o f 4 .16
K V Pe r fe c t Ha r mo ny Dr ive f o r Re c t a ng u la r
Dips Dur ing Fu ll- Lo ad , No mina l Vo lt ag e .
Pe r c e n t o f N o m i na l Vo l t ag e Du r in g Di p
100
80
60
40
20
0
1
10
10 0
10 0 0
Dur at io n o f Vo lt ag e Dip in M illis e c o nd s
U n d e r - V o l t ag e T r i p
ROBICON
S p e e d Ro l l - b a c k
N o r m a l O p e r a t io n
The Sine of Quality
Power Quality Drives
Perfect Harmony 完美无谐波变频
5 Cycle Power Loss Ride-Through
@ 100% Load
满载时5个周期失电输出波形情况
ROBICON
The Sine of Quality
Power Quality Drives
S urg e W it hs t a nd C a pa b ilit y o f a 4 .16 K V
Pe r fe c t Ha r mo ny Dr ive fo r a Re c t a ng u la r
Pu ls e Dur ing Fu ll- Lo ad , No mina l Vo lt ag e .
Pe a k K i lovo l t s L i ne - t o - L ine
30
25
20
15
10
5
0
200
2000
20 0 0 0
Pu ls e Du rat io n in M ic ro s e c o nd s
C o n t i n u o u s (110 % V )
ROBICON
M a x i m u m no T r i p
M a x i m u m n o D a m ag e
The Sine of Quality
Power Quality Drives
Next Generation Control
新一代全数字控制系统
ROBICON
The Sine of Quality
Power Quality Drives
Control Features 控制特点

Digital Modulator

Adjustable IGBT switching frequency (200 - 1200Hz)

Auto-Tuning: Motor parameter estimation, controller gains
calculation

Open Loop Vector Control

Dual-Frequency Braking

Transparent Cell Bypass

Energy Saver
ROBICON
The Sine of Quality
Power Quality Drives
Control Features

Input Processing

Volts-per-hertz Control for parallel motors

Synchronous Transfer

Torque Mode Operation

Operation with output filter (to be implemented)

Synchronous Motor Control

Closed Loop Vector Control
ROBICON
The Sine of Quality
Power Quality Drives
Next Gen Control


Robicon Tool Suite
High Speed Motor Support (to 330Hz)

Multiple language support: English, Italian ,Spanish, German,
French, Chinese, Japanese

Tool Suite enhancements based on added features (Debug view
ports)

Open winding/multiple phase motor support

IEC 1131 System program.
ROBICON
The Sine of Quality
Power Quality Drives
Next Gen Control Hardware
Chassis with covers
ROBICON
The Sine of Quality
Power Quality Drives
Next Gen Control Hardware
Modulator Bd
FIBER Optic Bd
ROBICON
Chassis
less coversCPU Bd
Communications
Bd
System Interface Bd
Analog to Digital Bd
The Sine of Quality
Power Quality Drives
Next Gen Control Hardware
CPU Board front view
Chipset:
Intel ®
430 TX
VGA
Ethernet
User I/O
Intel
Pentium ®
MMX CPU
266 MHz
ROBICON
Keyboard
The Sine of Quality
Power Quality Drives
Next Gen Control Hardware
CPU Board rear view
CompactFlash™
Module
16MB
SDRAM
Module 64MB
ROBICON
The Sine of Quality
Power Quality Drives
“Drive Tool”

基于Windows的图形界
面(95, 98, 2000,NT)

PC运行
图形窗口
键盘菜单
参数设定
变频器状态
ROBICON
The Sine of Quality
Power Quality Drives
Parameter Value Entry
ROBICON
The Sine of Quality
Power Quality Drives
Fault/Alarm Log
ROBICON
The Sine of Quality
Power Quality Drives
Input Processing

Input side Metering functions
 RMS values
 Power, Energy, Power Factor
 Input current THD (approximate)
 Individual Harmonics (accurate)
 Drive Efficiency (approximate)

Excessive drive losses detection : alarm/fault

Input single-phase detection and rollback

Input rms current (xformer thermal) rollback

Input voltage magnitude and phase monitoring for Synchronous
Transfer and under-voltage rollback
ROBICON
The Sine of Quality
Power Quality Drives
Auto-Tuning
 Automatic motor parameter estimation in two stages
 Stage 1

Motor does not spin

Stator resistance and Leakage inductance are estimated

Current Loop Gains are calculated and saved
 Stage 2

Motor spins to 30% speed

Requires that the load be decoupled from the motor

Motor No-load Current and Inertia are estimated

Flux Loop and Speed Loop Gains are calculated and saved
ROBICON
The Sine of Quality
Power Quality Drives
Dual-Frequency Braking
 New strategy for control of Harmony with Bypassed cells
 Zero hardware braking solution for VFDs
 Dynamic braking using high frequency ac injection instead of
dc injection
 Dissipates kinetic energy in the motor instead of the drive
 Achieves 12% negative power (best case) without exceeding
rated current
 Patent Application filed
ROBICON
The Sine of Quality
Power Quality Drives
Dual-Frequency Braking
Features:
 Dynamic Braking using high frequency AC Injection instead of DC Injection
 Zero Hardware Braking Solution:




Dissipates kinetic energy in motor instead of in drive
Typical available Braking Torque (Motor Dependant):




No Additional Circuits
No Braking Resistors
6% @ 200% Speed
11% @ 100% Speed
30% @ 20% Speed
Patent: Pending
ROBICON
Typically 4X DC Injection
At same Amperage
The Sine of Quality
Power Quality Drives
Dual-Frequency Braking



Unlike DC injection, this approach provides much higher torque per ampere,
and permits continuous estimation of motor speed.
The new method causes extra losses to be induced in the motor by applying a
second set of three- phase voltage vectors to the motor in addition to the
normal set of voltage vectors used for speed control.
The energy returned to the DC link by the normal vector set is used to create the
second set of loss-inducing vectors, which dissipate that energy in the motor.
ROBICON
The Sine of Quality
Power Quality Drives
FLOW OF BRAKING POWER VIA DC LINK
ZEROSEQUENCE
VOLTAGE
VA1
IA1+IA2
VA2
IB1+IB2
VZS
VB1
VB2
VC1
VC2
NORMAL
THREE-PHASE
VOLTAGES
AC
INDUCTION
MOTOR
IC1+IC2
LOSS-INDUCING
THREE-PHASE
VOLTAGES
EQUIVALENT CIRCUIT TO OUTPUT OF DRIVE
Equivalent Circuit of Perfect Harmony Drive
during Dual-Frequency Braking
ROBICON
The Sine of Quality
Power Quality Drives
Va,ref
(50%/div.)
Braking begins here
w (50%/div.)
s
I (150%/div.)
a
Typical Examples of Voltage Reference, Speed Estimate,
and Motor Current during Dual-Frequency Braking
ROBICON
The Sine of Quality
Power Quality Drives
Comparison of Dual-Frequency to DC
Injection Braking, for Imax = 100%
100
Percent of Rated Torque
Dual-Frequency
10
DC Injection
1
0
10
ROBICON
20
30
40
50
60
70
Percent of Rated Speed
80
90
100
The Sine of Quality
Power Quality Drives
Dual Frequency Braking
There are two side effects of Dual Frequency Braking:
1. Torque Pulsations: These are controlled by allowing the user to select
the Pulsation Frequency
2. Motor Heating: This is controlled by a
software motor thermal
model and is designed to be no worse than a line start.
ROBICON
The Sine of Quality
Power Quality Drives
功率单元旁路电路
旁路接触器
去变压器
二次侧
Q1
Q3
Q2
Q4
COIL
功率单元输出
光纤通信连接至主连接板
单元控制电路
ROBICON
The Sine of Quality
A
Power Quality Drives
A5
480V
每相5个功率单元
串联，正常运行
A4
480V
A3
480V
A2
480V
VAC
VBA
A1
480V 120 o
TYP.
C1
480V
N
B1
480V
C2
B2
480V
480V
C3
480V
C4
B3
100% 电压输出
480V
C
ROBICON
B4
480V
C5
480V
480V
B5
VCB
480V
The Sine of Quality
B
Power Quality Drives
仅A4,A5功率单元旁路
相位不变
A
A3
480V
A2
480V
A1
480V 120 o
VAC
VBA
TYP.
C1
480V
N
B1
480V
C2
B2
480V
480V
C3
B3
480V
480V
C4
480V
C
ROBICON
C5
480V
B4
A4, A5旁路后输出电压不对称
480V
B5
VCB
480V
The Sine of Quality
B
Power Quality Drives
A4,A5故障后旁路
同时旁路B4, B5, C4, C5
A
A3
480V
A2
480V
VBA
VAC
A1
480V
C1
480V
C
N
120 o
TYP
B1
480V
C2
B2
480V
480V
C3
B3
480V
480V
VCB
B
A4,A5, B4, B5, C4, C5同时旁路，输出电压对称，降为 60%
ROBICON
The Sine of Quality
Power Quality Drives
A
仅旁路A4,A5
新的旁路技术
(中心点偏移)
A3
480V
A2
480V
A1
VAC
VBA
480V
o
132.5o
132.5
C1
480V
C2
480V
B1
480V
o
95
C3
B3
480V
480V
C4
B4
480V
C
480V
B5
C5
480V
B2
480V
VCB
480V
B
A4,A5旁路，调整相位角，输出电压对称，可达 80%
ROBICON
The Sine of Quality
A
Power Quality Drives
B5,C4, C5旁路
新的旁路技术
(中心点偏移)
70%对称输出电压
A5
480V
A4
480V
A3
480V
VAC
VBC
A2
480V
113.1
C
ROBICON
C3
480V
C2
480V
C1
480V
A1
480V
96.9
B1
480V
B2
480V
VCB
B3
480V
B4
480V
The Sine of Quality
B
Power Quality Drives
A
50% 对称输出电压
B4,B5, C3, C4, C5旁路
新的旁路技术
(中心点偏移)
A5
480V
VAC
A4
480V
VBA
A3
480V
A2
480V
VCB
C
C2
480V
61.6
C1
480V
ROBICON
A1
480V
61.1
B1
480V
B2
480V
B3
480V
The Sine of Quality
B
Power Quality Drives
ROBICON
The Sine of Quality
Power Quality Drives
完美无谐波变频器结构(输入变压器部分)
ROBICON
The Sine of Quality
Power Quality Drives
完美无谐波变频器结构(抽屉式功率单元)
ROBICON
The Sine of Quality
Power Quality Drives
Perfect Harmony
Liquid Cooled VFD System
大功率水冷完美无谐波变频器
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY完美无谐波变频器
OPERATING AND MAINTENANCE
FEATURES 操作和维修特点

MODULAR CELLS CAN BE EASILY WITHDRAWN FROM VFD
模块化的功率单元可以很容易地从变频器中取出

NO HIGH VOLTAGE COMPONENTS IN VFD CELLS
功率单元没有高电压成分
– 480/630 VOLT DEVICES ARE CONFIGURED TO PRODUCE
HIGH VOLTAGE
480/630 伏特的装置组合产生高电压

FIBER OPTIC DIAGNOSTICS PINPOINT EXACT LOCATION OF
FAULT
光纤通讯进行故障诊断
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器
OPERATING AND MAINTENANCE
FEATURES 操作和维修特点

FAULTY CELLS CAN BE BY-PASSED ON THE RUN WITH
OPTIONAL CELL BY-PASS FEATURE
功率单元旁路选件可以使故障单元在变频器运行的情况下被旁路

VECTOR CONTROL OPTION FOR PRECISE SPEED CONTROL
如需高性能控制, 可选矢量控制选件
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器
OPERATING AND MAINTENANCE
FEATURES 操作和维修特点

FAULT, DIAGNOSTIC, AND HISTORIC LOGS
故障诊断，历史状态记录

FAULTY CELLS TO 400 AMPS SIZE CAN BE CHANGED OUT BY
NON-SPECIALIZED ELECTRICIAN IN 10 MINUTES. WATER
COOLED UNITS CAN BE CHANGED IN 45 MINUTES
大到400安培的故障功率单元可以在10分钟内由普通的电器技术员换调.
水冷的功率单元更换也不超过45分钟

OFFSITE REPAIRS OF CELLS WITHOUT ACCESS TO COMPLETE
VFD
功率单元的修理可以不在现场进行, 不影响变频器系统运行
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器
SUMMARY OF FEATURES 特性总结
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VERY LOW HARMONIC CURRENT AND VOLTAGE GENERATION
输入电流和电压谐波很低
NO SPECIAL MOTOR NEEDED
不需特殊的电机，使用国产电机和旧电机
NO EXTRA POWER FACTOR CORRECTION OR HARMONIC
FILTERING EQUIPMENT NEEDED
不需功率因数纠补偿和谐波滤波器
NO EXTERNAL STEP- DOWN OR STEP -UP TRANSFORMERS
不需外加的降压/升压变压器
HIGH SYSTEM EFFICIENCY
系统效率很高
ABILITY TO KEEP RUNNING EVEN WITH A FAULT
在单元故障的情况下可继续运行
ROBICON
The Sine of Quality
Power Quality Drives
PERFECT HARMONY 完美无谐波变频器
SUMMARY OF FEATURES 特性总结






输出相电压至少7电平，线电压13电平，dV/Dt小，对电机影响小
STANDARD CLASS ELECTRICIANS CAN RE-INSTATE VFD
WITHOUT HAVING TO WAIT FOR A SPECIALIST TECHNICIAN
普通的电器技术员可以重行起动变频器而不需等待技术专家来
SMALL PHYSICAL SIZE
体积小
RIDE THROUGH CAPABILITIES FOR POWER SYSTEM
DISTURBANCES
承受电源的干扰能力强
Full digital control 全数字控制，功能强
诊断功能很强，可以很方便的定位故障
ROBICON
The Sine of Quality