This circuit i have made after my PG course for my home and its still working in my home. I dint consider about thermals while designing, without any cooling fan it can able to take 500W of load.
Designed using Diptrace
Designed using Diptrace
Fig 1 Schematic for 1KVA inverter
Fig 2 Board layout
Fig 3 3D Model
Started preparing BOM
#
|
Value
|
Name
|
Quantity
|
1
|
C19/47uF,50V
|
CAP250RP
|
1
|
2
|
C20/10uF,50V
|
CAP250RP
|
1
|
3
|
C11/0.1uF
|
CAP100
|
1
|
4
|
C12/0.1uF
|
CAP100
|
1
|
5
|
C23/4.7uF,30V
|
CAP250RP
|
1
|
6
|
C24/0.1uF
|
CAP100
|
1
|
7
|
C32/0.1uF
|
CAP100
|
1
|
8
|
C38/0.1uF
|
CAP100
|
1
|
9
|
C35/0.1uF
|
CAP100
|
1
|
10
|
C33/470uF,40V
|
CAP250RP
|
1
|
11
|
C34/470uF,40V
|
CAP250RP
|
1
|
12
|
C36/0.1uF
|
CAP100
|
1
|
13
|
C11/22uF,63V
|
CAP250RP
|
1
|
14
|
C10/22uF,63V
|
CAP250RP
|
1
|
15
|
C11/0.1uF
|
CAP100
|
1
|
16
|
C1/4.7uF,63V
|
CAP250RP
|
1
|
17
|
C9/4.7uF,63V
|
CAP250RP
|
1
|
18
|
C2/1uF,63V
|
CAP250RP
|
1
|
19
|
C14/22uF,50V
|
CAP250RP
|
1
|
20
|
100n
|
CAP100
|
1
|
21
|
C29/22uF,50V
|
CAP250RP
|
1
|
22
|
C25/10uF,30V
|
CAP250RP
|
1
|
23
|
C22/100uF,40V
|
CAP250RP
|
1
|
24
|
C21/0.1uF
|
CAP100
|
1
|
25
|
C4/2.2uF,63V
|
CAP250RP
|
1
|
26
|
C8/0.1uF
|
CAP100
|
1
|
27
|
C16/220uF,60V
|
CAP250RP
|
1
|
28
|
C17/0.1uF
|
CAP100
|
1
|
29
|
C13/100uF,50V
|
CAP250RP
|
1
|
30
|
C15/0.1uF
|
CAP100
|
1
|
31
|
C13/22uF,63V
|
CAP250RP
|
1
|
32
|
C12/47uF,50V
|
CAP250RP
|
1
|
33
|
C5/0.1uF
|
CAP100
|
1
|
34
|
C8/0.1uF
|
CAP100
|
1
|
35
|
C2,0.22uF,1KV
|
CAP100
|
1
|
36
|
C27/220uF,50V
|
CAP250RP
|
1
|
37
|
C28/47uF,50V
|
CAP250RP
|
1
|
38
|
C31/0.1uF
|
CAP100
|
1
|
39
|
C7/0.1uF
|
CAP100
|
1
|
40
|
D18/1N4007
|
DIODE
|
1
|
41
|
D17/1N4007
|
DIODE
|
1
|
42
|
D16/1N4007
|
DIODE
|
1
|
43
|
D15/1N4007
|
DIODE
|
1
|
44
|
D21/1N4007
|
DIODE
|
1
|
45
|
D20/1N4007
|
DIODE
|
1
|
46
|
D19/1N4007
|
DIODE
|
1
|
47
|
D22/1N4007
|
DIODE
|
1
|
48
|
D23/1N4148
|
DIODE_1N4148
|
1
|
49
|
D43/1N4148
|
DIODE_1N4148
|
1
|
50
|
D42/1N4148
|
DIODE_1N4148
|
1
|
51
|
D44/1N4148
|
DIODE_1N4148
|
1
|
52
|
D45/1N4148
|
DIODE_1N4148
|
1
|
53
|
D31/1N4007
|
1N4007
|
1
|
54
|
D33/1N5408
|
1N5408
|
1
|
55
|
D34/1N5408
|
1N5408
|
1
|
56
|
D32/1N4007
|
1N4007
|
1
|
57
|
D36/1N4007
|
1N4007
|
1
|
58
|
D38/1N4148
|
DIODE_1N4148
|
1
|
59
|
D37/1N4148
|
DIODE_1N4148
|
1
|
60
|
D39/1N4148
|
DIODE_1N4148
|
1
|
61
|
D40/1N4148
|
DIODE_1N4148
|
1
|
62
|
BAT CHARGE IND
|
LED
|
1
|
63
|
D5/1N4007
|
1N4007
|
1
|
64
|
D4/1N4007
|
1N4007
|
1
|
65
|
Z1/4.7V ZENER
|
ZENER
|
1
|
66
|
D38/1N4007
|
1N4007
|
1
|
67
|
OVER LOAD
|
LED
|
1
|
68
|
D29/1N4007
|
1N4007
|
1
|
69
|
LOW BAT
|
LED
|
1
|
70
|
D25/1N4007
|
1N4007
|
1
|
71
|
D24/1N4007
|
1N4007
|
1
|
72
|
D14/1N4007
|
1N4007
|
1
|
73
|
D6/1N4148
|
DIODE_1N4148
|
1
|
74
|
D13/1N4007
|
1N4007
|
1
|
75
|
D11/1N4007
|
1N4007
|
1
|
76
|
D12/1N4007
|
1N4007
|
1
|
77
|
D10/1N4007
|
1N4007
|
1
|
78
|
D9/1N4007
|
1N4007
|
1
|
79
|
D7/1N4007
|
1N4007
|
1
|
80
|
D2/1N4007
|
1N4007
|
1
|
81
|
D3/1N4007
|
1N4007
|
1
|
82
|
1n4007
|
1N4007
|
1
|
83
|
D26/1N4007
|
1N4007
|
1
|
84
|
D27/1N4007
|
1N4007
|
1
|
85
|
INV ON
|
LED
|
1
|
86
|
D8/1N4148
|
DIODE_1N4148
|
1
|
87
|
AC MAINS ON
|
LED
|
1
|
88
|
T15/BC547
|
NPN
|
1
|
89
|
T13/BC557
|
PNP
|
1
|
90
|
T17/BC557
|
PNP
|
1
|
91
|
T18/BC557
|
PNP
|
1
|
92
|
T14/BC557
|
PNP
|
1
|
93
|
T20/BC547
|
NPN
|
1
|
94
|
T19/BC547
|
NPN
|
1
|
95
|
T12/BC557
|
PNP
|
1
|
96
|
T11/BC557
|
PNP
|
1
|
97
|
T10/BC557
|
PNP
|
1
|
98
|
T7/BC547
|
NPN
|
1
|
99
|
T8/BC547
|
NPN
|
1
|
100
|
T9/2955T
|
MJ2955
|
1
|
101
|
T1/BC547
|
NPN
|
1
|
102
|
T16/BC547
|
NPN
|
1
|
103
|
T2/BC547
|
NPN
|
1
|
104
|
T6/BC557
|
PNP
|
1
|
105
|
T26/IRFZ44N
|
IRFZ44N
|
1
|
106
|
T25/IRFZ44N
|
IRFZ44N
|
1
|
107
|
T24/IRFZ44N
|
IRFZ44N
|
1
|
108
|
T23/IRFZ44N
|
IRFZ44N
|
1
|
109
|
T22/IRFZ44N
|
IRFZ44N
|
1
|
110
|
T21/IRFZ44N
|
IRFZ44N
|
1
|
111
|
R37/15K
|
RES500
|
1
|
112
|
R53/15K
|
RES500
|
1
|
113
|
R54/4K7
|
RES500
|
1
|
114
|
R36/15K
|
RES500
|
1
|
115
|
R35/1K
|
RES500
|
1
|
116
|
R56/56K
|
RES500
|
1
|
117
|
VR4/20K
|
POT
|
1
|
118
|
R52/4K7
|
RES500
|
1
|
119
|
R60/10K
|
RES500
|
1
|
120
|
R61/10K
|
RES500
|
1
|
121
|
R41/10K
|
RES500
|
1
|
122
|
R58/2K2
|
RES500
|
1
|
123
|
VR6/10K
|
POT
|
1
|
124
|
VR3/20K
|
POT
|
1
|
125
|
R55/10K
|
RES500
|
1
|
126
|
R59/10K
|
RES500
|
1
|
127
|
R62/10K
|
RES500
|
1
|
128
|
R66/10K
|
RES500
|
1
|
129
|
R68/10K
|
RES500
|
1
|
130
|
R78/10K
|
RES500
|
1
|
131
|
R86/10K
|
RES500
|
1
|
132
|
R79/2K2
|
RES500
|
1
|
133
|
R90/10K
|
RES500
|
1
|
134
|
R85/100K
|
RES500
|
1
|
135
|
R84/100K
|
RES500
|
1
|
136
|
R102/100E,5W
|
RES500
|
1
|
137
|
R82/10K
|
RES500
|
1
|
138
|
R101/100E,5W
|
RES500
|
1
|
139
|
R81/2K2
|
RES500
|
1
|
140
|
R96/10K
|
RES500
|
1
|
141
|
R12/330K
|
RES500
|
1
|
142
|
R11/10K
|
RES500
|
1
|
143
|
R9/100K
|
RES500
|
1
|
144
|
R10/10K
|
RES500
|
1
|
145
|
R6/3K3
|
RES500
|
1
|
146
|
VR2/20K
|
POT
|
1
|
147
|
R8/3K3
|
RES500
|
1
|
148
|
R7/10K
|
RES500
|
1
|
149
|
R5/3K3
|
RES500
|
1
|
150
|
R98/10K
|
RES500
|
1
|
151
|
R2/10K
|
RES500
|
1
|
152
|
R97/100K
|
RES500
|
1
|
153
|
R3/10K
|
RES500
|
1
|
154
|
VR1/20K
|
POT
|
1
|
155
|
R1/10K
|
RES500
|
1
|
156
|
R83/10K
|
RES500
|
1
|
157
|
R4/10K
|
RES500
|
1
|
158
|
R74,27K
|
RES500
|
1
|
159
|
VR5/20K
|
POT
|
1
|
160
|
R75/1K
|
RES500
|
1
|
161
|
R64,22K
|
RES500
|
1
|
162
|
R65/1K
|
RES500
|
1
|
163
|
R73/47K
|
RES500
|
1
|
164
|
R67/47K
|
RES500
|
1
|
165
|
R38/1K
|
RES500
|
1
|
166
|
R43/10K
|
RES500
|
1
|
167
|
R39/10K
|
RES500
|
1
|
168
|
R71/10K
|
RES500
|
1
|
169
|
R69/8K2
|
RES500
|
1
|
170
|
R42/22K
|
RES500
|
1
|
171
|
R45/68K
|
RES500
|
1
|
172
|
R42/22K
|
RES500
|
1
|
173
|
R63/10K
|
RES500
|
1
|
174
|
R48/22K
|
RES500
|
1
|
175
|
R51/47K
|
RES500
|
1
|
176
|
R100/1K
|
RES500
|
1
|
177
|
R46/10K
|
RES500
|
1
|
178
|
R49/10K
|
RES500
|
1
|
179
|
R47/10K
|
RES500
|
1
|
180
|
R50/10K
|
RES500
|
1
|
181
|
R99/1K
|
RES500
|
1
|
182
|
R23/10K
|
RES500
|
1
|
183
|
R24/22K
|
RES500
|
1
|
184
|
R22/6K8
|
RES500
|
1
|
185
|
R21/10K
|
RES500
|
1
|
186
|
R20/10K
|
RES500
|
1
|
187
|
R19/47K
|
RES500
|
1
|
188
|
R18/10K
|
RES500
|
1
|
189
|
R16/4K7
|
RES500
|
1
|
190
|
R17/10K
|
RES500
|
1
|
191
|
R31/3K3
|
RES500
|
1
|
192
|
R30/1K
|
RES500
|
1
|
193
|
R33/3K3
|
RES500
|
1
|
194
|
R26/10K
|
RES500
|
1
|
195
|
R25/22K
|
RES500
|
1
|
196
|
R15/680E
|
RES500
|
1
|
197
|
R28/1K
|
RES500
|
1
|
198
|
R29/1K
|
RES500
|
1
|
199
|
R27/3K3
|
RES500
|
1
|
200
|
R14/47E,2W
|
RES500
|
1
|
201
|
R83/22E
|
RES500
|
1
|
202
|
R95/22E
|
RES500
|
1
|
203
|
R97/22E
|
RES500
|
1
|
204
|
R34/270K,2W
|
RES900
|
1
|
205
|
R40/150K
|
RES500
|
1
|
206
|
R72/47K
|
RES500
|
1
|
207
|
R77/10K
|
RES500
|
1
|
208
|
R31/10K
|
RES500
|
1
|
209
|
R87/22E
|
RES500
|
1
|
210
|
R89/22E
|
RES500
|
1
|
211
|
R91/22E
|
RES500
|
1
|
212
|
R94/0.1E,1W
|
RES500
|
1
|
213
|
R93/0.1E,2W
|
RES500
|
1
|
214
|
R92/0.1E,2W
|
RES500
|
1
|
215
|
R78/2K2
|
RES500
|
1
|
216
|
R76/1K
|
RES500
|
1
|
217
|
IC6/SG3524N
|
SG3524
|
1
|
218
|
IC3/LM324
|
LM324 DIP
|
1
|
219
|
IC7/LM339
|
LM339 DIP
|
1
|
220
|
IC2/LM324
|
LM324 DIP
|
1
|
221
|
T3/TYN612
|
BT148
|
1
|
222
|
T4/TYN612
|
BT148
|
1
|
223
|
LM7812
|
L7812CV
|
1
|
224
|
TR1 PRI
|
5,5/1.6,3
|
1
|
225
|
TRF SECS
|
5,5/1.6,4
|
1
|
226
|
CON
|
5,5/1.6,5
|
1
|
227
|
TR1 SEC
|
5,5/1.6,6
|
1
|
228
|
AC OUT
|
5,5/1.6,3
|
1
|
229
|
MCB
|
5,5/1.6,2
|
1
|
230
|
TRF PRIS
|
5,5/1.6,2
|
1
|
231
|
BATTERY
|
5,5/1.6,2
|
1
|
232
|
RELAY
|
5,5/1.6,8
|
1
|
233
|
BAT
|
AB9V
|
1
|
234
|
BUZZER
|
F/TMB
|
1
|
235
|
AC IN 230V/50Hz
|
5,5/1.6,3
|
1
|
236
|
INV ON/OFF
|
5,5/1.6,2
|
1
|
237
|
MOC3021
|
MOC3021N
|
1
|
238
|
IC4/4N35
|
4N35N
|
1
|
239
|
1C5/4N35
|
4N35N
|
1
|
239
|
