sregs-p3-3000u-01 datasheet · 2015. 9. 14. · • 24 - 32 vdc 72 amp output • mil-spec circular...

SREGS-P3-3000U-01

www.SullivanUV.com | [email protected] | (410) 732-3500

3000 Watt Power Management Unit

• 3 Phase AC primary input, 15 - 85 VACrms.• 24 - 32 VDC 72 Amp Output• MIL-SPEC circular connectors• Operates up to 94% peak efficiency• Lightweight aluminum enclosure with active thermal management

Featuring:

• Unmanned Air Vehicles (UAV’s) and Unmanned Ground Vehicles (UGV’s)• Remote Power Generation• Power Regulation from Alternative sources, ex. wind or solar

Typical Applications:

SREGS-P3-3000U-013000 Watt Power Management Unit


Specifications

Input: Conditions Min Max

Alternator Input Voltage: 3Ø 0 - 1 KHz 15 VAC 85 VAC

Backup Battery: N/A

External Shore Power: DC 24 VDC 32 VDC

Battery Switch Time: N/A

Mechanical: Conditions

Enclosure Material: Black Anodized Aluminum

Dimensions: 100 mm x 118 mm x 219 mm

Weight: 2200g

Connectors: MIL-SPEC Circular Connectors

Design Standard: MIL-STD 1275D

Conformal Coating: MIL-I-46058C Type UR

Cooling: 32 CFM Fan, may be replaced by forced air

Operating Temperature: -20C to 55C

Storage Temperature: -40C to 85C

Output: Conditions Min Max

Main Output: 72A/3000W Max 24 VDC* 32 VDC*

Secondary Output: N/A

Tertiary Output: N/A

Maximum Total Power: 3000 Watts

Peak Efficiency: Estimated 94%

Self Protection: Overvoltage, Undervoltage, Overcurrent, Reverse EMF

Maximum Overload Current:

Up to 10mS duration 125%

Output Ripple, Maximum:

p-p All Outputs 500mV

Voltage Regulation: All outputs +/-500mV

Status Signal: 5V High Impedance

Battery Charger Type: Basic, Cell monitoring, or Full balance charging options available

Back-up Battery Charging:

N/A

*Factory Adjustable



AC

Inpu

t fro

m

Alte

rnat

or,

thre

e ph

ase

Min

: ~20

VAC

rms

Max

: 85

VAC

rms

For e

ngin

eerin

g us

e on

ly.

For f

urth

er

info

rmat

ion

cont

act:

Sulli

van

Prod

ucts

(410

) 732

-350

0

SULL

IVA

N U

VSR

EGS-

P3-3

000U

-01

Bloc

k D

iagr

am

28V

outp

ut

3000

W M

ax(v

olta

ge re

duce

s w

ith

high

er lo

ads)

Prim

ary

DC

-DC

R

egul

atio

nA

C-D

CR

ectif

icat

ion

Out

put P

rote

ctio

n,

Rev

erse

Pol

. Tr

ansi

ents

, Etc

28V

Sys

tem

Loa

ds

8950

Yel

low

Bric

k R

dBa

ltim

ore

MD

212

37

(410

) 73

2-35

00w

ww

.sul

livan

uv.c

om

SREG

S-P3

-300

0U-0

1

Bat

tery

mus

t be

diod

e is

olat

ed

or v

erifi

ed to

saf

ely

acce

pt fu

ll ou

tput

from

SR

EG

S un

it.

28V

Bat

tery

(Cus

tom

er P

rovi

ded)

Cre

ated

: Apr

il 20

th20

14R

evis

ed: N

/A

Pow

er S

witc

hR

ecom

men

ded



PerformanceAllowable Storage and Operating Temperature Profile

0%

20%

40%

60%

80%

100%

120%

140%

-55 -35 -15 5 25 45 65 85

Temperature Degrees Centigrade

Pow

er O

utpu

t (%

of ra

ted

capa

city

) Short Duration Overload

Standard Operating Range -25 to 50C

(Optional Rating to 65C)

Storage Temperature -55 to 85C

(Optional Rating to - 40C)

Power Derating due to Altitude

50%

60%

70%

80%

90%

100%

110%

0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000

Operating Altitude (MSL)

Pow

er O

utpu

t (%

of ra

ted

capa

city

)

0 25 29 10085Input Voltage, 3Ø AC rms

Power supplied by Alternator

Power supplied by Battery

if part of system

Max

imum

Pow

er (W

atts

)

Alternator Input Range28V Primary Output



Engine load calculationsEngine load = Output power / Regulator Efficiency / Alternator Efficiency

Example: A 225W electrical load at 90% regulator efficiency and 80% alternator efficiency requires 225 / 0.90 / 0.80 = 312.5W of engine power. At 746W/HP, this is 0.419 HP.

Ft-Lbs of Torque = Horsepower * 5252 / RPM

At 3800 RPM, a 225W load with a 90% efficient regulator and 80% efficient alternator, the torque load would be 0.419HP * 5252 / 3800 = 0.579 Ft-Lbs.

1 Ft-Lb = 1.356 N-M

0.579 Ft-Lbs of torque is 0.785 N-M.

EfficiencyTypical PMU Efficiency vs Output Current

Input: 65 VDC

65.0%

70.0%

75.0%

80.0%

85.0%

90.0%

95.0%

100.0%

0% 20% 40% 60% 80% 100% 120% 140%

PMU Output (% of rated capacity)

PMU

Oper

atin

g Ef

ficie

ncy

28.8V Nominal Output

12.6V Nominal Output



7.97

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imum

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ates

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ire o

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uilt

wei

ght:

2.2

Kg

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ING

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ssem

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TITLE

:

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FORM

ATIO

N C

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TAIN

ED IN

THI

SD

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ING

IS T

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PERT

Y O

FTH

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MPA

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AN

Y RE

PRO

DUC

TION

IN P

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OR

AS

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WITH

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THE

WRI

TTEN

PER

MIS

SIO

N O

FTH

E PE

RFEC

T PA

RTS

CO

MPA

NY

IS

PRO

HIBI

TED

.

54

32

1

sregs-p3-3000u-01 datasheet · 2015. 9. 14. · • 24 - 32 vdc 72 amp output • mil-spec circular...

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