Toshiba TOSVERT-130H Instructions for use

TOSHIBA
INSTRUCTION
AND
MAINTENANCE
MANUAL
JANUARY 88
TOSVERT-130H/H1
TRANSISTOR INVERTER
IMVT130H
230V/3.S-80KVA
460V/S.S-100KVA
TOSHIBA/HOUSTON
INTERNATIONAL CORPORATION
13131 West Little York Road
Houston, Texas 77041
LIST PRICE $25.00

I
Base
Driver---__'O!
Board
r.nntno'l Power
Terminals
Typical Internal View
With Internal Panel Closed
Typical Internal View
With Internal Panel Open
Control
Circuit
--Soard
GTR's (H)
IGBT's (H1)
Main
Power
Terminals

Monitor and
Adjustment
Area
Hybrid
Circuit
F",qIJe,r.cylA,jjustrne"t/Di,.gnostic 0 is play
Microprocessor (Intel B051 )
Control Signal Terminals
Control Circuit Board
Connectors to Transistors
Base Driver Board
iii
Strip
Hybrid
Circuits

PREFACE
This Instruction Manual describesthespecifications,functions, handling and maintenance
of the Toshiba low noise inverter
TOSVERT~130H/H 1. Before installingand starting"up the
drive, please review this manual for correct installation, wiring and adjustment procedures.
Explanation of Symbols
No. Symbol Explanation
~
VTI?tOH I Terminal strip (terminals
for wiring external to the
1 inverter chasis)
~
VTI30H
I Internal connector (connections made to terminals to
2 components within the inverter chasis.)
3
f\Sh
~
Push and hold the push·button.
4
@]-~
Release the push button.
5
@]-~
Momentarily push the push-button and then release it.
6
~
Adjust the potentiometer/rotary switch with the screw
driver. (a crosstip (+) driver is attached to each unit)
7
~~
Discontinue adjustment of the potentiometer/rotary
switch.
8 (
~.
Turn the speed potentiometer.
9
7-
3
.l
Refer to section numbered in box.
10
IIIII Digital LED indicator
for frequency/monitor.
11
_~aution
r- 0 A caution mark. Observe all specified cautions.

Preface
Pictures
Chapter I
1-1
1-2
CONTENTS
Inspection at Purchase
Unpacking ........ " ........ " ........... "." ....... " .. , ....... " ........ .
Storage ........... " ................... " .. " ...... , ........... " ........ .
1-1
1-1
1-3 Warranty ........................................................•..... 1-1
Chapter II Characteristics of TOSVERT-130H/H1 ______________________________ 2-1
Chapter III Standard Specifications
3·1 Ambient Conditions ......... " ..•....... " ..•...... "" •........ "........ 3·1
3·2 Equipment Ratings ........................•...... " .•..........•... _,. 3·2
3·3 Specifications of the Input Power Source •..... " .......... "......... 3·3
3·4 Specifications of the Control System ... " ....... " .......... "......... 3·3
3·5 Operational Functions............................................... 3·3
3·6 Protection Functions.... ............................................. 3·3
3·7 Monitor Functions and Display ............... "..................... 3·4
3·8 Output Interface ........... " .................. " . .. . .... ...... .. ... .. 3·4
3·9
Construction......................................................... 3·4
3·10 Block Diagram........................................................ 3·5
3·11 Functional Component Diagram..................................... 3·6
3·12 Names of Components on Control Panel and Adjustment Area.... 3·9
Chapter IV Description of Standard Specifications
4·1 Rated CUrrent of Inverter and Selection of Motor................... 4·10
4-2 Frequency Resolution................................................ 4·11
4·3 Voltage/Frequency (V/F) Pattern Setting............................ 4·12
4-4 Overload ___ . _________________ .___ __ ___ __ ______ __ ________ __ _ __ _________ 4-14
4·5 Frequency Set Signals............................................... 4·15
4·6 Output of Upper/Lower Limit Output Frequency.................... 4-17
4·7 Instantaneous Power Failure Control ............ _.................. 4-18
4-8 Automatic Restart ....................................... " . .. . .... . .. 4·20
4-9 Soft Stall. __ . ____________________ ._____ __ ______ __ _ __ ___ __ ____ __ __ _ __ ___ 4-21
4-10 Monitor _______ ._ __ __ __ __ ______________ __ __ _ __ _ __ ______ __ ___ __ _ __ _ __ ___ 4-21
4·11 Display by Digital Indicator.......................................... 4·35
4-12 Flickering of Digital Indicator ........................................ 4·36
4-13 Setting and Adjustment .......................... _................... 4·37
4·14
Operation by Software ............................................... 4·37
Chapter V Specifications of Options
5·1 Built-In
Options..... ..... ................... .............. ........... 5·1
5·2 External Options
........ , '" .............. , ....................... " . 5·2
5·3 External Options Requiring Adjustments............................ 5·2
5-4 External Options Requiring Modifications.......................... 5·2
Chapter VI Cautions for Installation............................................ 6·1
Chapter VII Wiring
7·1 Cautions for Wiring.................................................. 7·1
7·2 Standard Connection Diagram....................................... 7-3
7·3 Standard Cable Size and Selection of
Main Circuit Cables
and Equipment................................. 7-4
7-4 PCB Arrangement and Details of Terminal Board................... 7·9
-i-

Chapter
8-1
8-2
8-3
8-4
8-5
8-6
VIII Examples of Operations and Connections
Connection of Frequency Set Input Signals ....... " .. "."" ......... .
Connection of Frequency Meter ....... "." .. " ....... " .. " ..... " ...... .
Connection of Operation Signals .... " .. "." .... " ........ " ..... "." ... .
Transfer to Commercial Power Source" .. "" .... " .... "" .......... " .. .
Parallel Operation of Motors .......... " .... " ....... ".""."" ..... " .... .
Start of Additional Motor .... " .. " ...........................•.•..••.•.
8-7
8-7
8-8
8-10
8-11
8-11
8-7 Transfer of Motor. .. .. .. . .. . .... . .. . .... .. . .. . .... ... . .. .•• . .• •.. .• .•. 8-11
8-8 Operation of Motors with Brake ............................ " ..... ".. 8-12
Chapter IX Adjustments
9-1 Voltage/Frequency (V/F) Pattern Setting ..................... " .. "... 9·1
9-2 Adjustment of Rheostat ..........................•....•..•.... " .. .... 9·2
9-3 Dip Switch Setting ...................................•......... "..... 9·8
9-4 Change of Jumper Connection...................................... 9·9
Chapter X Operation
10-1 Pre-operation Checking ................ ""." .... " ....... "............. 10·1
10-2 Pre-operation Adjustment ......... " .... " .... "."" .... " ..... " ....... ".. 10-1
10-3 Operation Procedures .... " ............ "." ............ " .. " .. "......... 10·2
Chapter XI Maintenance and Inspection
11·1 Daily Inspection ........ " ......... " ........... "" .. "." .......... " ..... " 11-1
11·2 Periodical Inspection .. " .. " ............ " ............... "............. 11·1
11·3 Guidance for Parts Replacement .... " ........ ""..................... 11-1
11-4 Measuring Instruments.............................................. 11·2
11·5 Inspection of Electrolytic Capacitor ............................... ..
Chapter XII Trouble Shooting
12·1 Possible Causes and Countermeasures" ........ " ............ " .. " .. .
12·2 Troubleshooting Flowchart."" ......... "." ....... " .................. "
12·3 Parts Replacement ........ " .. " ................................... " .. "
12·4 Spare Parts .......................................................... .
Chapter XIII Dimensional Views •••••......••.••••••••.•••••.••..••.••.•••••••.•
Chapter XIV Servicing .. _________ ._ .. _. _______ . ______________ . _. _______ . ________ _
• When drive does not operate
• Trouble information sheet
-jj-
11 -3
12-1
12-7
12-12
12-14
13-1
14-1

Chapter I
INSPECTION UPON RECEIPT
1·1 Unpacking:
Verify the following: (If you find any defect, contact Toshiba or the local supplier.)
(1) Check for shipping damage.
(2) Verifythat the rated capacity and voltage conform to your orderrequirements.
Please refer to "Oescription of Type-Form" on the following page.
1
-2 Storage:
If the inverter will not be used immediately upon receipt, and will be put into
temporary
or long-time storage, observe the following cautions:
(1) Avoid storage in high temperature, high humidity,and areas which are dustyor
contain metal particles. Select a well-ventilated place for storage.
(2) If the inverter has printed circuit boards provided with an electrostaticcharge
prevention cover, do not remove them while in storage. When powering upthe
inverter, be sure to take off the electrostatic covers on the printed circuits
boards.
(3) If the inverter powered up for more than 6 months, it should be electrically
connected on asemi¥annual basis
to maintain the electrical characteristics of
the large--capacity electrolytic capacitors. At the same time, check
the
functionality of the inverter. If left unused for a long period of time, the large~
capacity electrolytic capacitor bank will deteriorate, and will require
reconditioning. (For its inspection, see section 11-5.)
1-3 Warranty:
Should the dr'lve unH fail to operate or is damaged for any reason related to our
design, manufacture and testing, it will be repaired
or replaced free of charge,
provided that such failure or damage
has occurred during the following warranty
period:
The warranty period of this inverter is 18 months from the date of shipment
or 12
months from the start of operation, whichever is shorter. However, the repair or
replacement of the drive will
be charged tothe customerduring the warrantyperiod if
failure
or damage has been caused by the following:
(1) A wiring or operational error, or unreasonable repair or unauthorized
modification;
(2) Unit damaged by a fall after purchase or during transportation;
(3) Fire, acid, corrosive gas, earthquake, wind, flood, lightning, abnormal voltage
and/or voltage spikes,
or any other natural disaster or an act of God;
(4) Use for a purpose other than those designed by the manufacturer;
(5) The warranty will be limited should the enclosed self addressed stamped
warrantycard not be returned
tothe manufacturer, seethe ExtendedWarranty
Registration card
in the front of this manual.

NOTE: Description of the Type~Form Code
The type and form
of the TOSHIBA low-noise inverter TOSVERT~130H/H1 for
HVAC are described below.
Type Form
T130 H1 U-4 080 80
EXAMPLE:
"0" . .. With operator panel
" "
... Without operator panel
"8" ... Box type (Type NEMA 1 enclosure)
"U" ... Unit type (open chassis)
L-CCD kVA: Capacity
L...---1 "2" ... 200 V class (200, 208, 220, 230, 240VAC)
"4" ... 400 V class (380, 415, 460VAC)
L....---i "U" ... North American standard model
" " ... Foreign standard model
"HI" ... TOSVERT-130H 1 model
"HO"
... TOSVERT-130H model
"VT130:
... TOSVERT-130 series
T130H1U-4080BO DescribesaTosvert-130H1 model inverter,with 400
VAC class line operation, of 80 KVA [75 HP max ~ seesection 7 ~3~2) with a
NEMA 1 enclosure with operator panel.
1-2

Chapter II
Characteristics of TOSVERT-130H/H1
1. The drive's quiet operation closely approximates the motor smoothly operating
across the sinusoidal AC power line:
(1) The TOSVERT-130Hl Series allows low-noise operation by using IGBT's
(Insulated Gate Bipolar Transistors - a Bipolar type MOS-FET), a new high-
frequency high power switching device developed by Toshiba. On the other
hand, the TOSVERT-130H Series uses conventional G-TR's (Bipolar type
transistors), and Toshiba's custom designed sine wave
PWM method, which
also reduces motor noise. If the TOSVERT-130H is configured with a noise
filter, the motor noise is reduced to nearly that of the TOSVERT-130Hl. This
noise level is about 1
OdB(A) lower than the conventional PWM transistorized
inverters:
1) TOSVERT-130H1 Series:
[>--1 TOSVE RT -f30Hf I
2) TOSVERT-130H Series:
@ (Low noise)
C>---1 TOSVERT -DOH H Fil ter I---@INOise reduced by oplional filler)
(Option)
(2) The carrier frequency for the sine wave PWM control can be changed to
prevent resonance 'In the mechanical system. This allows for smoother and
quieter operation for a wider range of applications.
2. The inverter is especially designed for energy-saving systems, such as an air
handling equipment in buildings, and fans, pumps, blowers, etc.
(1) Energy-Saving Control:
1) Energy-saving voltage/frequency 0I/F) pattern adjustments have been
provided.
2) Energy-saving operation can be automatically selected.
(2) To enable continuous operation of the inverter under adverse powersources
and load conditions,
the following advanced functions are provided as the
standard features:
1) Automatic restart after instantaneous power failures.
2) Automatic restart in case of fault, for up to 5 times, in the event of
overcurrent.
3) Stall Protection.
4) Soft stall control (Selectable between overload trips).
5) Deceleration limit control.
6) Ground fault.
(3) Easy operation from external control circuits.
1) 6 types of frequency reference signals are standardly available for
selection:
o
3K ohm potentiometer (manual operation)
o 0 - 10 (12) V OC
o 0 - 5V DC
o 4 - 20mA DC
o 0 - 20mA DC
o Input resistance 0 - 135 ohm
2-1

2) PI Control (set point control option) aHows automaticcontrol of delivery
pressure and flow rate of fan, pump and blower.
3) The upper and lower limit output frequency can be preset. When the
output frequency has reached its'upperorlowerlimit,
an open collector
transistor output is available 10r external use in each case.
(4) In case 011ault, a Form C contact signal (dry contact) is activated.
(5) Acceleration and deceleration time can be separately selected within the
range of
0.1 to 300 seconds.
3. Easy Start-up
(1) By using the monitorfunction, thevarious inverters parameters(invertermode,
inverterstatus, current level, etc.) can be read from the builHn digitalindicator
(4 digit. 7 segment LED).
(2) Adjustmentscan be madefrom thefront ofthe inverterthrough asmalldooron
the operation panel, and read digitally on the digital LED indicator by
depressing the monitor functions button.
1) Voltage/Frequency(II /F) patterns can be easilyselected theV/Fpattern
rotary selector switch.
o 14 V
/F patterns
o 2 Energy-saving patterns
2) By adjusting the potentiometers (acceleration/deceleration time,
upper/lower limits, etc.), the monitorfunction is automaticallyactivated,
and the set value of the potentiometer is displayed
on the digital
indicator when selected.
11 an illegal/abnormal value is set, the built-in
alarm system alerts the operator by flashing the display on the digital
indicator. (e.g.-upper limit is incorrectly set lower than lower limit
setting).
3) A reset push-button switch is provided on the printed circuit board, and
can
be operated through the small door of the control panel. Reset
terminals are also provided for external reset (dry contact).
4.
Diagnostic and Protection feature
(1) In an instantaneous powerfailure, the inverter operates continuously ifpower
recovers within 30 msec.
(2) Grounding fault protection is assured as a standard function (optional in
Foreign models)
(3) Standard protectivefunctions also includestall prevention, overcurrent, over-
load, short-circuit, overvoltage, undervoltage. overheat and internal fusing.
(4) As anotherstandard function, a current limit circuit is included which limitsthe
load current automatically at the time of overcurrent.
(5) A voltage limit circuit is also provided standardized for automatic prevention
over voltage on the
DC voltage in the event of overhauling loads with rapid
deceleration times.
(6)
In the event of fault, thecause of the fault flickers onthe digital LED indicator.
Also, the monitor function allows you to read out the inverter status from
memory for diagnosis of the fault.
(7) Acharge lamp LED is provided to indicate that the main DC capacitor bankis
charged.
2-2

5. Enclosures:
(1) 3typesareavailable: Soxtypewith operatorpanel (SO type: Boxtypewithfront
cover, upperand lowercovers, and operatorpanel), Box typewithout operator
panel
(8 type: Box type with front cover, upperand lower covers, and without
control panel), and open chasis type
(U type: Unit type without front cover,
upper and lower covers and control panel). Consult local supplier for units
which are normally stocked in your area.
(2) Both the incoming and outgoing powercables enterthrough the bottom for all
size ratings.
(3) The heat sink fins can be modified for mounting in a fully enclosed cubicle.
(4) Units based on the UL standards are available. For details, please contact
Toshiba.
6. Other:
(1) BuilNn microcontrollerand custom LSI construction assure highperformance
and increased reliability.
2·3

Chapter III
STANDARD SPECIFICATION
The standard specifications are specified below
Type
Form OescriptlOrl
200V' Glass
400V' Class
VT130Hl
2035 - 2080
4055' 4160
TOSVERT-130Hl, Standard Type
(3.5-8kVA) (5.5-1SkVA)
VT130HO 2110·2800
422Q-4100K TOSVERT·130H, Standard Type
(1,-eOkVA) {22-100kVAj
VT130HlU
2035·2080
4055-4160
TOSVERT·130Hl, North American Model
(3,5·8k.VAj
(5.5·16kVA)
VT130HOU
.
4220·4500
22-,OOkVAj
(Note 1) VT130HO/H1: A Series
VT130HOU/H 1 U: B Series
TOSVERT-130H, North American Model
(Note 2) The capacity of VT130H1 will be expanded as the IGBT device capacity is
increased.
For details, please refer to Chapter IV.
3-1 Ambient Conditions
Item DeSCription
Installation place , Indoors
Amblel1t temperature
-10'C· 50-C (-1 O-C' 40'C if equipped with covers
Ambient humid,ty
Less than 90% RH (relative humidity): There must be no condensatio
Vibration
Less than 0.5G
Eny,ronmen1al requirements
,
No corrosive gas. No dust or metal filings
• 200V class for: 203V, 220V, 230V, 240V
400V class for: 380V, 415V, 460V
3-1
RemarkS
5 ..
Chapter
IV

3·2 Rating of Equipment
NO.
1
2
3
4
5
6
7
,
,
10
11
12
13
14
15
16
17
16
19
20
21
22
23
24
(Note 1)
(Note 2)
(Note 3)
(Note 4)
Model Capacity Rated Max. applicable motor rating
/type
(kVA)
Current (4 poles) (kW, HPJ
(Note 1)
{AI
200V 20 V 220V 230V -
VT130Hl·
2035 3.5 10 2.2kW 3 HP 2.2kW 3 HP
2055 55 16
3.7 5 3.7 5
2080 8 20 -7.5 55 75
ViI30HO'
2110 "
28
5.5 10 7.5 10
2160 16
40
7.5 - 11 15
2220 22
56
"
15 15 20
2270 27
68 15 20 18.5 25
2330 33
eo
t8.5 25
22 30
2400 40 100 22
30 30 40
2500
50 126
30
40
37 50
2600 60 155 37 50
45
65
2800 60 200 55 75 55 75
360V 400V 415V
440V 460V
VT130Hl·
4055 5.5 7 ---3.7kW 5HP
4080
, 10
HW 3.7kW 5
HP 5.5 7.5
4110
"
14
5.5 5.5 75 7.5
10
4160
16
20 9.2 7.5
10
"
15
VT130HC>-
4220 22
28
11 11
15 15
20
4270 27
34
155 15
20
18.5
25
4330
33
40 16.5 16.5
25 22
30
4400
40
50 22
22
30 30 40
4500
50
63
30 30 40 37
50
4600 60 77
37
37 50 45 60
4800
'0
100 45 45
65 55 75
4100K 100 126 55
55 75 75 100
The above capacities are calculated values at 230V for the 200V class
(No.1-12) and 460V for the 400V class (No. 13-24).
When selecting an inverter based on the motor, please refer to 4-1.
VT130H1 U and VT130HOU have the same specifications as VT130H1 and
VT130HO, respectively, but
their construction is different.
When applying a motor noise reduction filter (option) to VT130HO or
VT130H1, or when changing the PWM control carrier frequency, always
refer to 4·1.
3·3 Specifications of Input Power Source
Item Description Remarks
Phase. voltage.
200 v class
freQuency 3·phase. 200/220/230V,
50Hz
3-phase. 200/208/220/230V, 60Hz
400v class
3·phase.
380/400/415V. 50Hz
3-phase, 400/440/460v, 60Hz
Tolerance voltage: ±10%. FreQency: ±2Hz
3-2

3-4 Specifications of Control System
Item Description Remarks
ContrOl method SinusOidal PWM contrOl
Output voltage Ma~_ output voltage Input voltage
Output frequency 3-6713-80/3-,20 Hz See 4-3
Frequency resolution Set frequency resolution: 0.07Hz_ Output frequencyresolution: 0,001 Hz See 4-2
FrequenCY accuracy +0.5'10 to
m~~imum frequency (at 25 C-l 0 C)
Voltage/frequency 16 voltage/frequency (V/F) patterns set by rotary switch' See 4-3
ratio 14 patterns: Set patterns
2 patterns: Automatic energy-saving patterns
Overload (current) 120%·60 seconds. 100""· Continuous See 4-4
Frequency set signal ()'S(6)V
DC, 0-10(1 2)V DC. 4-20mADC. Resistance 0-135
Seee-,
(Frequency command s.gnal) (Selectable by jumper pin)
3-5 Operational Functions (1/2)
Item Descnption Remarks
Acceleration time
0,1 -30/1 -300 sec See 9-2
Deceleration time 0,1 -30/1 - 300 sec See 9-2
Upper I,m.t POSSible to set upper limit to frequency command value See 9-2
lower limit
POSSible to set lower limit to frequency command value See 9-2
REF bias Possible to set bias to frequency command value See 9-2
REF gain Possible to set gam to frequency command value See 9-2
Start
To be operated With dry contact at "close" See 7-2
(Terminals ST to COM jumpered)
Stop Coast stop of motor with dry contact at "open'" See 7-2
(Terminals 5T to COM open)
Forward/reverse rotation Forward rotation
With dry contact at "open" See 7-2
(Term.nals REV to COM open)
Reverse rotation with dry contact at "close"
(Terminals REV to COM jumpered)
Brake Braking by capacitor charge
(Appro~_ 20% torque) See e-a
Energy-saving operation controlOperat.on by energy-savng pattern (Selected
by rotary switch for See 4-3
V/F pattern setting) arld automatic ener2y-saving operation
Speed limit s.gnal output Open collector signal is outputted when the speed reaChed the upper See 4-6
or lower limit (Terminals P24 to Ul or lL)
Instantaneous power In case of rnstarltaneous power failure, the instantaneous See 4-7
fa.ture contrOl power failure contrOl is activated
Automat,c restart Irl case of a lault abnormality detected by the inverter, See 4·8
the operation can be automatically restarted_
Soft Stall If the current load e~ceeds the overloed (Ol) detection level, the inverter See 4·9
(Overload protectlorl control) allows continued operation without tripping the inverter by reducing
the speed until the current load is less than the overload
detectiorl value, (Selection 01 trip or soft stall is possible.)
3-6 Protective Functions
Item Description Remarks
Protective functions Stall prevention, overcurrent, overload, short-circuit, overvoltage,
undervoltage, instantaneous
poy,rer falture (30msec), overheat See4·",
protection, lused power circuitry, ground lault circuit detection
4-14
are standard in North American models.
Fault signal output
NC or NO contact POint signal is ouputted II any 01 the following functions See 4-4,
are activated: o..ercurrent protection, overload protection, ahort-circuit
protection. overvoltage protection, overheat protection, and ground lauit
4-8,4-9,
detection. However, II the soft stall Is selected at the time of OIfertoed or
7-4,9·3
the automatic restart la selected, no fault aignal ia outputted,
Fault reset Reset by reset push-button on PCB or dry contact See 7-2
(Termirlals COM to RST)
3-3

3~7 Monitor Functions and Display
Item Description
Output frequer'lCy
In normal operation. output frequency and the inverter status are
displayed on the d.gital LED indicator.(OFF, LS. 3.0·67.0/80.0/120)
Cause of fault
In case of a fault. a possible cause is fhckered on the digital indicator.
(OC, OCA. OCL, OL, OP. OPS, OH. FE. null)
Monitor data
By sequencmg the monitor push-button, or the adjustable rheostat,
various items can be displayed on the digital indicator. (inverter mode,
inverter status, frequency command value, voltage command value,
current value, command frequency bias/gain, upper!lower limits of
output frequency, acceleration/deceleration time)
Charging of main
DC
Indicated by a LED on the front panel.
circuit capac.tor
""--
3~8 Output for Instruments
-- Item
Output for frequency meter
Output for ammeter
3-9 Enclosure
Item
Type
Protective
Cool>ng
. Description
0-lmA Dc full scale meter or 7.5V OC full scale meter
O'lmA Dc full scale meter or 7.5V DC full scale meter
NEMA Type I
), open chasis
Description
typo
NEMA Type I
Chassis
IP30
IPOO
Remarks
See 4-10
and 4-"
$ee4-10
and 4-11
See 4-10,
4-",
and 4'12
See3·12
Remarks
See 6-2
See 6-2
Remarks
See Chapt 13
Typel
~~~---_-_- ____ - ________ .t", .. ~~'_O_"_f_O_'m __to__ th_' __ U_L_(_U_"_d_'_" __ "_._'_"_L_'_bo __ ~_t_O_'_i'_'_'_"'_'_' ______ 1. ____________ J
3·4

3·10 Block Diagrams
Blockdiagrams of VT130H1 and VT130H series are shown in Fig. 3·9-, and Fig. 3-9-
2, respectively. The inverter is roughly divided into the main power circuit and the
controlcircuit. The main powercircuitinputsthesourcepowerand outputsthe motor
power at a given voltage/frequency. The control circuit generates the operating
sig'nals and controls the inverter for correct operation.
The main circuit is primarily composed of:
(1) Rectifier: Consisting of 6 diode bridges, it converts AC power to DC power.
(2) Filter: Comprising a large-capacity electrolytic compacitor, it minimizes
the ripple of the rectified voltage
to maintain near constant DC
voltage.
(3) Inverter: Composed of 6 G-TR's (lG8Ts), it converts DC power to AC power
at variable voltage and frequencythrough sinusoidal
PWM control.
The control circuitry primarily consists of:
(1) Control power:
Generates control power sources.
(2) Frequency command Signal input:
Interlaces frequency commands.
(3) Microcontroller:
Supervises various inverter controls.
(4) A to D converter:
Converts analog signals
to digital signals to be inputted
to micro controller.
(5) PWM processor:
Executes sinusoidal
PWM control as commanded by the
micro controller.
(6) Gate drive circuit (Base drive Circuit):
Generates signals transmitted to G-TR gate (base) switching
the G-TR or IGBT.
(7) Signal detector:
Detects voltage and current in the inverter for control
and protection.
(8) Outside signal receptor:
Interfaces outSide sequence commands such as run, stop,
reverse, upper/lower limit signals.
(9) Adjustment area:
Sets V /F patterns and acceleration/deceleration time.
(10) Display: Digital LED indicator displays frequency/monitor data.
3-5

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* Standard for North American models.
(Note 1)
(Note 2)
Figure 3.9.1 Block Diagram of VT130H1 Series
For
the 200V class of 8kVAand below, only oneDC fuse isinsertedon the
DC (input) side of the inverter; and on 11 kVA or greater, three AC fuses
on
the input side are used with no DC fuse.
For
the 400V class of 5.SkVA to 8kVA, one fuse is provided on the DC
(output) side and,
those greater than BkVA have three fuses on the input
side and 1 fuse on the DC (output) side.
For
the 200V class of less than 8kVA, the control power source is obtained
from
the DC side of the main circuit.
3-6

(Note)
""
".
,
""
I
I r I
IIieroconuoU.r
1rr Standard in North American models
'oury •• ite" ror
vIr p.tt.rn
.. l.eUon '11111
Fig. 3.9.2 Block Diagram of VT130HO Series
fllUI
T:zI .... 1
,,~
Three AC fuses are inserted on the input side for both the 200V and 400V
class. For the 400V class, another fuse is added on
the DC side.
3"7

3·11 Outside Appearance
(Box type with operation panel VT130H1-2035BO)
Mounting
feetWilh1
mountmg
hole 0
Monitor Opera
AREA·Adjustm
Area
lion
'"'
The door can
opened and
closed by left
hmge
"
Access to
adjustment
pets are done
in this area. E
S ",.
~~
0
or:
Name
TOSVERT·130Hl
~8~f~
.:¢!Q ~
©
TOSHIBA
name plate
3-8
Fe ont Panel Screw
rewsfor So
i"
stalling front
cf "
rlel to the Urlit
0
-
0
-"
ont Panel
0 peration Panel
th manual
perator controls
wi
0
w
aming and
ution labels
"
r--
0
r--

3-12Names of Components on operator control Panel and Adjustment Area
Frequency Adjustment
potentiometer
You can change the
Chapter X f
Drrve SWitch
Run/Stop
Digital LED Indicator output frequency by
tor frequency/monitor the potentiometer Mode Selector
(4 figures, 7 segment LED's) .----+-----------r------;;"\ Switch
When this
lamp is lit the
main capacitor is
charged.
Momtor op'''l:j~I~
area
Danger of electrical
Shock exists if DC bus
(capacrtorbank) istamp·
ered with.
Charge: DC Bus
L=====:"'~=============-j Charge Lamp
Inside the MONITOR AREA (Adjustment area)
• The inside of the adjustment area, located on printed Circuit board, is easily
accessible by opening the small adjustments door.
• The following adjustments can be made from the adjustment area:
1) SW2: DSW: Dip switch ~
Allows to select the following operations by this switch,
1] Selection of If/If' (carrier frequency)
2] Selection
for use or no use of bias/gain in response to frequency
command (4-20 ma application).
3] Selection of either trip or soft stall when experiencing overload,
4] Selection
of acceleration/deceleration time multiplier (x 1 or X 10)
2) SW1 : V IF patterns:
Rotary switch for V /F pattern selection &
Allows selection of one of 16 V /F patterns.
3) PBS1: MPBS:
Monitor push-button switch 14 -10'1
Monitor mode (shows set value) of parameters by pushing this switch.
4) PBS2: RESET:
Reset push-button switch 1
4-1
°'1
After eliminating the cause of a fault, reset the fault by pushing this switch.
5) D RH:
Potentioments Rheostat for adjustments 19 - 2j'
Allows the settings of acceleration/deceleration (ACC/DEC) time,
Upper/lower limits(UL/LL),reference frequency bias/gain(RB/RG),andetc.
3-9