Page1 Yaesu Quadra VP-1000 PSU Meanwell Retrofit Adam Farson VA7OJ/AB4OJ 13 September 2018 Based on a 2015 collaboration with Dale Hankins KB5VE and Joe Torrey WD5Y, and concepts developed by Matt Erickson KK5DR This project was inspired by the catastrophic failure of the 2.5 kVA OEM SMPS module inside the Yaesu Quadra VP-1000 power supply cabinet. The basis of the retrofit is the complete replacement of the existing module with two Meanwell OEM SMPS modules: the RSP-3000-48 (3 kVA) for the 48V 50A PA drain supply and the RT-65B (65 VA) for the ±12V control/auxiliary voltages. As both Meanwell power supplies will operate from 220-240V mains, the original mains wiring and rear-panel circuit-breaker are retained. The internal high-current +48V DC wiring, the control wiring and the Filter Unit board will also be re-used. Figure 1: Quadra Power Conversion Wiring Diagram Regrettably, no photos or mechanical drawings for the original project were ever supplied, so the reader of this article will need to figure out the best method for mounting the large RSP-3000-48 and the smaller RT-65B within the VP-1000 chassis. The best starting point is to remove the top and bottom case covers and the front panel, disconnect the internal SMPS module from the wiring harness and then remove the module completely. The cables and plugs formerly connected to the old module should be retained, as they will be re-used. Refer to Figure 2 below. The Meanwell RSP-3000-48 is fitted with two internal cooling fans whose speed is proportional to load current. These fans will cool the SMPS adequately as long as the cabinet air intakes allow sufficient air- flow. The RT-65B is conduction- and convection-cooled. It can be bolted to the left side-plate of the VP- 1000 chassis.
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Yaesu Quadra VP-1000 PSU Meanwell Retrofit
Adam Farson VA7OJ/AB4OJ 13 September 2018
Based on a 2015 collaboration with Dale Hankins KB5VE and Joe Torrey WD5Y, and concepts developed by Matt
Erickson KK5DR
This project was inspired by the catastrophic failure of the 2.5 kVA OEM SMPS module inside the Yaesu
Quadra VP-1000 power supply cabinet. The basis of the retrofit is the complete replacement of the
existing module with two Meanwell OEM SMPS modules: the RSP-3000-48 (3 kVA) for the 48V 50A PA
drain supply and the RT-65B (65 VA) for the ±12V control/auxiliary voltages. As both Meanwell power
supplies will operate from 220-240V mains, the original mains wiring and rear-panel circuit-breaker are
retained. The internal high-current +48V DC wiring, the control wiring and the Filter Unit board will also
be re-used.
Figure 1: Quadra Power Conversion Wiring Diagram
Regrettably, no photos or mechanical drawings for the original project were ever supplied, so the reader
of this article will need to figure out the best method for mounting the large RSP-3000-48 and the smaller
RT-65B within the VP-1000 chassis. The best starting point is to remove the top and bottom case covers
and the front panel, disconnect the internal SMPS module from the wiring harness and then remove the
module completely. The cables and plugs formerly connected to the old module should be retained, as
they will be re-used. Refer to Figure 2 below.
The Meanwell RSP-3000-48 is fitted with two internal cooling fans whose speed is proportional to load
current. These fans will cool the SMPS adequately as long as the cabinet air intakes allow sufficient air-
flow. The RT-65B is conduction- and convection-cooled. It can be bolted to the left side-plate of the VP-
1000 chassis.
Pag
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The best mounting position for the RSP-3000-48 is with the fan intakes facing towards the front panel and
the terminals towards the rear panel. It may be necessary to fabricate a new rear panel with a suitable
exhaust vent screened with metal mesh, the circuit-breaker, the Molex sockets for +48V output and
control and the mains cable strain-relief. The RSP-3000-48 case can be supported on standoffs bolted to
the bottom chassis plate, or on rails fitted between the front and rear bottom chassis frame members.
Figure 2: Existing VP-1000 Interior Top View
To enhance air-flow, rectangular openings should be cut in the steel sub-panel behind the two grilles on
either side of the plastic front panel. Filter cloth should be placed behind the mesh grilles. It should now
be possible to eliminate the large muffin fans from the rear panel.
The exhaust opening in the rear panel should be sufficiently large to ensure that the exhaust holes in the
rear panel of the RSP-3000-48 are unobstructed.
±12V & CONTROL WIRING: It is recommended that Teflon-insulated stranded wire be used throughout
for new wiring. If existing wiring is in good condition and of sufficient length, it can be re-used. We will be
using header sockets CN2 and CN3 on the RSP-3000-48. The part numbers for the mating plugs are as
follows:
CN1/CN2: Hirose DF11-8DP-2DSA(01) Digi-Key #H-2852-ND Mouser Part No. 798-DF11-8DP-2DSA01
REMOTE SENSE Compensate voltage drop on the load wiring up to 0.25V. Please refer to the Function Manual.
Level 3, 2KV/Line-Earth ; Level 2, 1KV/Line-Line
78
80
82
84
86
88
90
92
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
File Name:RSP-3000-SPEC 2018-10-04
Block Diagram
PWM fosc : 100KHz
FAN
O.V.P.
-V
+VRECTIFIERS&
FILTER
-S
+S
CIRCUITDETECTION
POWERAUX
REMOTECONTROL
RC
FILTER&
RECTIFIERSAUX POWER(12V/0.1A)
SHARINGLOAD
CS
P OK
LIMITING
ACTIVE
CURRENTINRUSH
CONTROL
I/P SWITCHINGPOWERRECTIFIERS
FILTEREMI
PWM
&PFC
PFCCONTROL
O.T.P.
O.L.P.
Derating Curve
AMBIENT TEMPERATURE ( )℃
LO
AD
(%
)
20
40
60
50
80
100
-20 0 10 20 30 40 50 60 70 (HORIZONTAL)
Static Characteristics
INPUT VOLTAGE (V) 60Hz
100
90
80
70
60
50
LO
AD
(%
)
180 185 190 195 200 210 220 230 240 250 264
MODELINPUT 12V
2400W 3000W 3000W
200A 125A 62.5A180~264VAC
24V 48V
※ The curve above is measured at 230VAC.
EF
FIC
IEN
CY
(%)
LOAD
Efficiency vs Load (48V Model)
PFC fosc : 88KHz
3000W Power Supply with Single Output RSP-3000 s er ies
PV
File Name:RSP-3000-SPEC 2018-10-04
Function Manual
1 2 3 4 5 6V
Vout
100
120
40
60
80
20OU
TP
UT
VO
LTA
GE
(%
)
EXTERNAL VOLTAGE (DC)
Non-Linear
OVP >120%
40 60 80 100 120V
100
40
60
80
20OU
TP
UT
CU
RR
EN
T (
%)
OUTPUT VOLTAGE (%)
20
※ In addition to the adjustment via the built-in potentiometer, the output voltage can be trimmed to 20~110%(Typ.) of the nominal voltage by applying
EXTERNAL VOLTAGE.
2. Output Voltage Programming (or, PV / remote voltage programming / remote adjust / margin programming / dynamic voltage trim)
◎ Please do not adopt PWM signal as the EXTERNAL VOLTAGE.
◎ Connecting an external DC source between on CN2, and .PV & -S +S & +V, -S & -V also need to be connected
(2) and of CN1 or CN2 must be disconnected if “Output Voltage Programming” function is used; otherwise, the internalPV(PIN3) PS(PIN4)
electrical components may be damaged, and the power supply unit may thus be out of order.
◎ The rated current should change with the
Output Voltage Programming accordingly.
MODEL
PV Range
12V
2.4 ~ 13.2V
24V
4.8 ~ 28V
48V
9.6 ~ 56V
※ The Remote Sense compensates voltage drop on the load wiring up to 0.25V
1. Remote Sense
※ Caution: The power supply, by factory default(also the assumption for other sections), is shipped with, -S & -V on CN2, as well as +S & +V, shorted by
connector. When activating the Remote Sense, the +S signal should be connected to the positive terminal of the load whereas -S signal to
※ Caution: (1)By factory default, the Output Voltage Programming is not activated, and are shorted by connector. WheneverPV(PIN3) PS(PIN4)and of CN2
this function is not needed to activate, as assumed in other sections’ diagrams, please keep shorted ; otherwise,PV(PIN3) PS(PIN4)and of CN2
the power supply will have no output.
3000W Power Supply with Single Output RSP-3000 s er ies
PIN7 -S PIN8 +S
Sense lines should be twisted in pairs to minimizenoise pick-up.
+V
+V
CN2
-V
-VEXTERNAL VOLTAGE (DC)
PIN3 PV
PIN5 -S
PIN7 -S PIN8 +S
CN2
LOAD
-V
+V
Example 3.2(A): Using external voltage source
Example 3.2(B): Using internal 12V auxiliary output
Example 3.2(C): Using internal 12V auxiliary output
◎ Connection Method
Example 3.2(A) Example 3.2(B) Example 3.2(C)
SW LogicPower supply output ON SW Open SW Open
SW OpenPower supply output OFF SW Close SW Close
SW Close
3.Remote ON-OFF
※ Remote ON-OFF is activated by the configuration with respect to CN1,CN2 and CN3 as shown in the following diagram.
AUX
12V typ.
12V typ.
12V typ.
Internal
Internal
Internal
AUXG
1KΩ
RCG
RC
SW
12V
1KΩ RC
RCG
AUXG
AUX
SW
1KΩ1KΩ
RC
AUXG
SW
RCG
AUX
File Name:RSP-3000-SPEC 2018-10-04
3000W Power Supply with Single Output RSP-3000 s er ies
◎ By factory default, and ) on CN2 arePV(PIN3) PS(PIN4shorted by connector; likewise, andOLP(PIN9) OL-SD(PIN10)on CN3 are shorted when shipped.
PIN7 AUXG PIN8 AUX
CN3
CN2
PIN2 RCPIN1 RCG
4.Alarm Signal Output
※ Alarm signal is sent out through " " & " " and pins on CN3. Please acknowledge an external voltage source is required for this function.P OK P OK GND P OK2 & P OK GND2
Fig. 4.2 Internal circuit of P OK (Relay, total is 10W)
External voltage and R
(The max. sink is 500mA and 20V)
P OK GND
P OK
Function
P OK
The signal is "Low" when the power supply is above80% of the rated output voltage, or, say, Power OK
Low(0.5V max at 500mA)
Low(0.5V max at 10mA)
Description Output of alarm(P OK, Relay Contact) Output of alarm(P OK2, TTL Signal)
The signal turns to be "High" when the power supplyis under 80% of the rated output voltage, or, say,Power Fail
High or open(External applied voltage, 500mA max.)
High or open(External applied voltage, 10mA max.)
R
V
Fig. 4.3 Internal circuit of P OK2 (Open collector method)
External voltage and R
(The max. sink is 10mA and 30V)
P OK GND2
P OK2
R
V0.1uF
Table 3.1 Explanation of alarm
◎ By factory default, andOLP(PIN9) OL-SD(PIN10)on CN3 are shorted by connector when shipped.
File Name:RSP-3000-SPEC 2018-10-04
3000W Power Supply with Single Output RSP-3000 s er ies
CN3
PIN4 P OK2
PIN2 P OK
PIN3 P OK GND2
PIN1 P OK GND
Fig. 5.2 Remove the CN3Fig. 5.1 Insert the CN3
OL-SDOL-SD
OLPOLP
5.Select Overload Protection Type
(2)Remove the shorting connector on CN3 that is shown in Fig 5.1, the Overload Protection Type will be "continuous constant current limiting".
Overload Protection Type : constant current limitingOverload Protection Type : constant current limiting with delay shutdown after 5 seconds
6.Current Sharing with Remote Sense
(1)Insert the shorting connector on CN3 that is shown in Fig 5.2, the Overload Protection Type will be "constant current limiting with delay shutdown after 5 seconds,
re-power on to recover". This is the factory default.
File Name:RSP-3000-SPEC 2018-10-04
3000W Power Supply with Single Output RSP-3000 s er ies
RSP-3000 has the built-in active current sharing function and can be connected in parallel, up to 3 units, to provide higher output power as exhibited below :
※ Difference of output voltages among parallel units should be less than 0.2V.
※ The total output current must not exceed the value determined by the following equation:
Maximum output current at parallel operation=(Rated current per unit) (Number of unit) 0.9× ×
※ The power supplies should be paralleled using short and large diameter wiring and then connected to the load.
※ ×When the total output current is less than 3% of the total rated current, or say (3% of Rated current per unit) (Number of unit)
the current shared among units may not be fully balanced.
◎ +S,-S CSand on CN1 or CN2are connected mutually in parallel.
◎ Under parallel operation, the "output voltage programming" function is not available.
No.1(Master)
No.2(Slave)
No.3(Slave)
Load+V
-V
+S
-S
-V
-V
-V
+V
+V
+V
AC/L
AC/L
AC/L
AC/N
AC/N
AC/N
◎ Sense lines should be twisted in pairs to minimize noise pick-up.
◎ When remote sensing is used in parallel operation, the sensing wire must be
connected only to the master unit
File Name:RSP-3000-SPEC 2018-10-04
3000W Power Supply with Single Output RSP-3000 s er ies
6.Three Phase Connect
Users can exploit three units of RSP-3000(unit 1 ,unit 2,unit 3) to work with 3 power system. Please refer to following diagrams for configuration.ψ