CHAPTER 8. REGULATOR, VOLTAGE CN-1146/FRC-93

TM 11-5820-554-12

CHAPTER 8

REGULATOR, VOLTAGE CN-1146/FRC-93

Section I. INTRODUCTION

8-1. Description

by air at altitudes up to 40,000 feet.

Regulator, Voltage, CN-1146/FRC-93 (Solar Electric

Relative humidity

Will operate satisfactorily when

36-189) is an autotransformer. The output voltage is

subjected to relative humidity

up to

80%, including condensation

regulated by a solid-state electronic control circuit. The

due to

temperature changes.

control circuit senses the out-put voltage, compares it

with an established reference voltage, and by indirectly

8-3. Tabulated Data

changing the flux density in the area of the opposing

transformer, restores the output voltage to the

5% for any condition of

Regulations

predesignated level. The control circuit requires only a

line,load, or frequency

fraction of the full load current, thus maintaining high

within the ratings of the unit.

efficiency and longevity of the electronic components at

Output voltage

115 volts a.c. (110 to 120 volts)

for all variations in input

all load levels. The regulator does not contain any

voltage, frequency, or load

relays, switches, moving contacts, solenoids, bearings,

within the specified limit.

drive motors, servos, handcranks, fuses, electron tubes,

Frequency

48 to 63 Hz.

or any moving parts.

Harmonic distortion

Less than 12% total.

Response time

200 to 400 ms depending on

the severity of the ban.

8-2. Ratings

In all cases recovery

Input voltage

60 to 150 volts a.c. single-phase, 48 to

begins in the first cycle.

63 Hz

Load

225 VA .8 PF lagging to 1

Load

1 KVA maximum, 225 VA minimum

KVA .8 PF lagging to unity

at maximum power factor.

PF.

115 volts a.c. 5% for any combination

Output

Overload

Momentary currents of several

of line, load, or frequency within the

times rated current will not

specified limits.

damage the regulator.

Response time

Correction begins within 10

Extended overloads will

milliseconds (ms) and is typically 90%

cause increased heating of the

complete in 200ms, and 100%

magnetics.

complete in 400 ma.

Watt efficiency

Better than 80% at full load, 115v,

Ambient temperature

0 .to 550 C.

60 Hz. Better than 70% at all line

Altitude

Sea level to 6,000 feet for operation.

voltages, 60Hz, full load.

Can be transported

NOTE

Input circuits must be capable of carrying

30 amperes.

8-4. Items Comprising an Operable Regulator, Voltage CN-1 146/FRC-93

Dimensions (in.)

Weight

NSN

Item

Height Depth

Width

(lb)

6110-00-930-0400

Regulator, Voltage, CN-1146/FRC-93 (Solar Electric 36-

150

189)

8-1